Guidebook
【Diving Newbies】 Must Read Preventing Decompression Sickness | Heart Ocean Diving
Mar 29, 2025
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<p><span style="font-size:22px;">Don’t be afraid of diving anymore! Heart Ocean Diving Center breaks down Decompression Sickness (DCS) — what causes it, what the symptoms are, and how to prevent it. </span></p>
<p>Published: 2025-03-29 | Last Updated: 2025-03-29</p>
<div class="catalog">
<h4>Table of Contents</h4>
<ul>
<li><a href="#nav-item-0">1. Introduction: Dive into the blue — safely start your diving dream</a></li>
<li><a href="#nav-item-1">2. What is Decompression Sickness? A hidden danger new divers should know</a></li>
<li><a href="#nav-item-2">3. Why does DCS happen? From tiny bubbles to big diving mistakes</a></li>
<li><a href="#nav-item-3">4. Symptoms of DCS: How your body sends out SOS signals</a></li>
<li><a href="#nav-item-4">5. How to prevent DCS: A hands-on guide to safe diving</a></li>
<li><a href="#nav-item-5">6. Got DCS? Stay calm and follow the right steps</a></li>
<li><a href="#nav-item-6">7. Heart Ocean Diving: Your expert guide to safe diving</a></li>
<li><a href="#nav-item-7">8. New diver FAQ: Answers to your diving safety questions</a></li>
<li><a href="#nav-item-8">9. Final thoughts: Choose Heart Ocean and explore Kenting with peace of mind</a></li>
<li><a href="#nav-item-9">10. Quick Reference: DCS symptoms and how to handle them</a></li>
<li><a href="#nav-item-10">11. Friendly Reminder: Safety tips for every dive</a></li>
</ul>
</div>
<p> </p>
<h2 id="nav-item-0">1. Introduction: Dive into the blue — safely start your diving dream</h2>
<p data-sourcepos="55:1-55:299">Ever dreamed of diving into the deep blue, swimming with colorful tropical fish, or exploring ancient shipwrecks beneath the sea? Taking a scuba diving course or getting your diving license is the first step. But just like any adventure, diving comes with risks — and one of the biggest is Decompression Sickness (DCS), also called “the bends.” Located in sunny Kenting, Heart Ocean Diving is here with one mission: We’re committed to offering the safest, warmest, and most fun PADI courses, so you can learn scuba diving step by step with confidence. With pro guidance, you’ll stay away from DCS and truly enjoy your diving journey. Safe diving, happy exploring!</p>
<h4 data-sourcepos="3:1-3:13">References</h4>
<ul data-sourcepos="5:1-10:0">
<li data-sourcepos="5:1-5:231">Divers Alert Network, <em>Decompression Illness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.google.com/search?q=https://www.diversalertnetwork.org/diving-medicine/decompression-illness/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.diversalertnetwork.org/diving-medicine/decompression-illness/</a></li>
<li data-sourcepos="6:1-6:134">StatPearls, <em>Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.ncbi.nlm.nih.gov/books/NBK430765/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.ncbi.nlm.nih.gov/books/NBK430765/</a></li>
<li data-sourcepos="7:1-7:175">Healthline, <em>What to Know About Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.healthline.com/health/decompression-sickness" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.healthline.com/health/decompression-sickness</a></li>
<li data-sourcepos="8:1-8:321">Merck Manual Consumer Version, <em>Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.google.com/search?q=https://www.merckmanuals.com/home/injuries-and-poisoning/diving-and-high-pressure-injuries/decompression-sickness" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.merckmanuals.com/home/injuries-and-poisoning/diving-and-high-pressure-injuries/decompression-sickness</a></li>
<li data-sourcepos="9:1-10:0">Professional Association of Diving Instructors (PADI): <a _nghost-ng-c3477518922="" externallink="" href="https://www.padi.com/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.padi.com/</a></li>
</ul>
<p data-sourcepos="231:1-231:60">Disclaimer: This article is for reference only. Always get professional dive training and follow local safety rules before diving. If you have any health concerns, please talk to a medical professional.</p>
<p> </p>
<h2 id="nav-item-1">2. What is Decompression Sickness? A Hidden Ocean Risk Every New Diver Should Know</h2>
<h3 data-sourcepos="59:1-59:26">2.1 What Exactly Is DCS and How Is It Related to Diving?</h3>
<p data-sourcepos="61:1-61:218">Decompression Sickness, or “the bends,” happens when your body absorbs too much inert gas (mainly nitrogen) while diving. As you go up too fast, the pressure drops quickly, and those gases turn into bubbles inside your body. These tiny bubbles can block blood flow, press on nerves, and even hurt major organs like your brain and spinal cord. If you're thinking about getting your scuba license or just curious about diving, it’s super important to understand what DCS is and how it relates to diving. This knowledge is key to staying safe underwater.</p>
<h3 data-sourcepos="63:1-63:32">2.2 Why Every Diver Should Know About DCS: Safety Comes First</h3>
<p data-sourcepos="65:1-65:218">Whether you’re just starting a scuba certification course or you’ve been diving for years, DCS can hit if you don’t follow safety rules. Our experienced instructors at Heart Ocean Diving stress that DCS isn’t just something that happens during deep dives. Even in shallow, fun dives — if you ascend too fast or skip a safety stop — it can still happen. That’s why it’s essential to learn how to prevent, recognize, and deal with DCS. This is must-know stuff for anyone aiming to dive safely and earn a scuba license.</p>
<p> </p>
<h2 id="nav-item-2">3. Deep Dive into the Causes of DCS: From Tiny Bubbles to Big Picture</h2>
<h3 data-sourcepos="69:1-69:37">3.1 Dive Physics: Pressure, Gas, and the Magic of Henry’s Law </h3>
<p data-sourcepos="71:1-71:333">The main reason DCS happens ties back to basic physics — especially something called Henry’s Law. In simple terms, this law says that the deeper you go (higher pressure), the more gas (like nitrogen) gets dissolved in your body’s fluids. While diving, you breathe compressed air with lots of nitrogen (about 79%). At depth, your body soaks up more of it. When you go back up, the pressure drops, and that nitrogen comes out of your tissues and exits through your breath. But if you ascend too fast, the change in pressure makes that gas form bubbles — just like shaking a soda and popping the cap. Those bubbles cause DCS. This is a basic principle every new diver should understand.</p>
<h3 data-sourcepos="73:1-73:41">3.2 High-Risk Factors in Diving: Depth, Time, Ascent Speed — The Big 3 for Safe Dives</h3>
<p data-sourcepos="75:1-75:25">Here are the main things that can raise your risk of getting DCS while diving:</p>
<ul>
<li><strong>Dive depth and time:</strong> The deeper and longer you dive, the more nitrogen your body takes in. For example, when diving at the popular Houbihu training area in Kenting, always follow your dive plan and stick to the max depth and time limits.</li>
<li><strong>Going up too fast:</strong> This is one of the top reasons bubbles form. Most dive agencies say your ascent rate should be no faster than 9 meters (30 feet) per minute.</li>
<li><strong>Multiple dives in a short time:</strong> Doing too many dives too close together doesn’t give your body enough time to clear the leftover nitrogen. So, if you’re planning a multi-day dive trip in Kenting, make sure to space out your dives properly.</li>
</ul>
<h3 data-sourcepos="81:1-81:33">3.3 Physical Conditions & Environmental Impact: Your Body and Kenting Waters Speak</h3>
<p data-sourcepos="83:1-83:38">Besides how you dive, your body and the environment also affect your risk of decompression sickness (DCS):</p>
<ul>
<li>Physical conditions: Being dehydrated, too tired, overweight, older, or having certain health issues (like heart or lung conditions, or a patent foramen ovale) can increase your risk of getting DCS.</li>
<li>Environmental impact: The Hengchun Peninsula has many dive spots like Wanlitong and Houbihu. Each has different temperatures, currents, and depths. Colder water slows down how your body gets rid of nitrogen, and deeper dives mean more pressure and nitrogen absorption. Our experienced team at Heart Ocean Diving Center knows Kenting’s dive sites well and gives personalized safety advice so you can enjoy diving while staying safe.</li>
</ul>
<h2 id="nav-item-3">4. Full Breakdown of DCS Symptoms: When Your Body Sends Out SOS</h2>
<p data-sourcepos="90:1-90:53">Spotting DCS symptoms early is key to getting the right treatment. DCS is usually divided into two types depending on how bad it is:</p>
<h3 data-sourcepos="92:1-92:42">4.1 Mild (Type I) Symptoms: Early Signs You Shouldn't Ignore (Joints, Skin, Fatigue)</h3>
<ul>
<li>Joint pain: The most common symptom. It usually hits the shoulders, elbows, knees, or ankles. It can feel like a dull ache, sharp cramp, or just uncomfortable. If your joints hurt after diving, pay attention—it might be an early warning.</li>
<li>Skin changes: You might see rashes, itching, numbness, or odd sensations. Sometimes small red spots or patches show up, like flea bites—this is a mild skin symptom of DCS.</li>
<li>Extreme tiredness: Feeling more tired than usual after diving, especially with weakness all over your body, can also be a mild DCS sign.</li>
</ul>
<h3 data-sourcepos="98:1-98:43">4.2 Severe (Type II) Symptoms: Serious Warnings That Can Be Life-Threatening (Nerves, Breathing, Inner Ear)</h3>
<ul>
<li>Nervous system issues: More serious DCS can affect your nerves—numbness, tingling, weak muscles, or even paralysis and trouble with bladder/bowel control. This is serious and needs emergency care.</li>
<li>Trouble breathing: Chest pain, nonstop coughing, shortness of breath, or feeling like you can't breathe properly—these are serious symptoms that need attention fast.</li>
<li>Inner ear effects: You might feel dizzy, hear ringing, or notice hearing loss. These are warning signs after diving.</li>
</ul>
<h3 data-sourcepos="104:1-104:28">4.3 Watch for 24 Hours After Diving: Stay Safe</h3>
<p data-sourcepos="106:1-106:158">DCS symptoms usually show up within minutes to hours after a dive. Over 90% appear within 24 hours. That’s why it’s super important to monitor your body closely after diving. Even small discomfort or tiredness shouldn’t be ignored. Heart Ocean Diving Center recommends observing yourself for at least 24 hours after diving. If anything feels off, get medical help right away.</p>
<h2 id="nav-item-4">5. Preventing DCS: A Practical Guide for Safe Diving</h2>
<p data-sourcepos="110:1-110:52">Prevention is the best way to avoid DCS. Following the right diving rules and safety tips can lower your risk a lot.</p>
<h3 data-sourcepos="112:1-112:34">5.1 Know Your No-Decompression Limit (NDL): The Time Limit for Safe Diving</h3>
<p data-sourcepos="114:1-114:197">NDL (No-Decompression Limit) is how long you can stay at a certain depth and go back to the surface without needing a decompression stop. Learning how to use your diving computer or dive table to calculate NDL is key for all certification students. Heart Ocean Diving Center’s instructors will teach and show you how to use it and help you plan your dives carefully to stick to the NDL.</p>
<h3 data-sourcepos="116:1-116:28">5.2 Do a Proper Safety Stop: Extra Protection Underwater</h3>
<p data-sourcepos="118:1-118:147">As you finish your dive and start going up, it’s highly recommended to stop at 5 meters (about 15 feet) for 3–5 minutes. A good safety stop means holding your neutral buoyancy and staying steady without floating up or down. We’ll train you on this important skill during your PADI course at Heart Ocean Diving Center.</p>
<h3 data-sourcepos="120:1-120:33">5.3 Slow Ascent & Depth Control: Stay Chill with Pressure</h3>
<p data-sourcepos="122:1-122:172">Going up slowly and steadily is super important to avoid DCS. Most organizations say to keep your ascent under 9 meters (30 feet) per minute. Also, don’t dive deeper than you planned. Many joint pain cases after diving come from rising too fast. Our experienced instructors will guide you during your dive and help manage the pressure changes safely.</p>
<h3 data-sourcepos="124:1-124:30">5.4 Healthy Habits After Diving: Flying, Hydration, and Rest</h3>
<ul>
<li>Avoid flying too soon: Don’t hop on a plane right after diving. Wait at least 12 hours after one dive. For multiple or deep dives, wait 18–24 hours or more. Flying too soon is a big risk for DCS—don’t forget it!</li>
<li>Stay hydrated: Dehydration makes your blood thicker and slows down nitrogen release. Drink plenty of water before, during, and after your dive.</li>
<li>Skip heavy workouts: Don’t do hard physical activity after diving. It can make tiny bubbles in your body worse. Just take it easy and rest.</li>
</ul>
<h2 id="nav-item-5">6. When Decompression Sickness Strikes: Stay Calm and Handle It Right</h2>
<p data-sourcepos="132:1-132:57">Even if you’ve taken all the precautions, if you or your dive buddy show signs of decompression sickness, it’s crucial to stay calm and take the correct action right away.</p>
<h3 data-sourcepos="134:1-134:31">6.1 Initial Assessment and Emergency First Aid Steps: The Golden Actions at the First Moment</h3>
<p data-sourcepos="136:1-136:81">If you or your dive buddy experience joint pain that’s hard to tell apart from normal muscle soreness, immediately stop all diving activities and assess the symptoms. The professional instructors at Heart Ocean Diving Center suggest the following steps:</p>
<ul>
<li>Carefully observe how the symptoms develop and check if they’re getting worse.</li>
<li>Have the patient lie down and rest, avoid standing or moving around to prevent gas bubbles from spreading further in the body.</li>
<li>Keep the patient as warm as possible to prevent hypothermia.</li>
</ul>
<h3 data-sourcepos="142:1-142:29">6.2 Oxygen First Aid and Professional Medical Referral: Saving Time for Life</h3>
<p data-sourcepos="144:1-144:190">Providing 100% pure oxygen is the first aid for decompression sickness. Breathing in high-concentration oxygen helps shrink nitrogen bubbles inside the body and speeds up the removal of nitrogen. Heart Ocean Diving Center is equipped with professional oxygen first aid equipment, and we teach the correct oxygen first aid methods in our PADI certification courses. Once you confirm or strongly suspect decompression sickness, immediately contact a professional medical facility, inform them of the situation, and seek emergency medical help for hyperbaric oxygen therapy. Hyperbaric oxygen therapy is currently the most effective treatment for decompression sickness.</p>
<h3 data-sourcepos="146:1-146:36">6.3 Heart Ocean Diving Center’s Emergency Support Network: Your Most Reliable Backup in Kenting</h3>
<p data-sourcepos="148:1-148:137">Heart Ocean Diving Center understands how important dive safety is. We’ve established close partnerships with professional diving medical facilities in Hengchun, ensuring the best emergency rescue access for our students. In case of an emergency, we will make sure you can quickly get professional medical treatment with support from local emergency resources in Kenting. Here’s the info for our partnered medical facility:</p>
<p data-sourcepos="150:1-150:10">Hengchun Diving Medical</p>
<p data-sourcepos="152:1-152:17">Address: No. 32-1, Shawei Road, Hengchun Township, Pingtung County</p>
<p data-sourcepos="154:1-154:13">Phone: 08-8866110</p>
<p> </p>
<h2 id="nav-item-6">7. Heart Ocean Diving Center: Your Professional Diving Safety Navigator</h2>
<h3 data-sourcepos="158:1-158:41">7.1 The Rigorous Safety System of PADI Certification Courses: Comprehensive Protection from Beginner to Advanced</h3>
<p data-sourcepos="160:1-160:229">Heart Ocean Diving Center offers PADI certification courses of all levels, prioritizing diving safety. Our PADI Decompression Theory Course thoroughly covers the causes, prevention, symptoms, and emergency response steps for decompression sickness. We combine in-depth theory with rich practical experience, including simulation drills, ensuring every new diver masters key safety skills from the basics while getting their diving certification. Our instructors are all PADI-certified professionals who regularly receive the latest safety training to ensure that the teaching content remains professional and up-to-date.</p>
<h3 data-sourcepos="162:1-162:34">7.2 The Expertise and Passion of Our Experienced Instructor Team: Rich Experience You Can Trust</h3>
<p data-sourcepos="164:1-164:182">Heart Ocean Diving Center has a team of skilled instructors with professional certifications and years of diving and teaching experience. Not only are they certified at various PADI levels, but they’re also very familiar with safety planning for multi-day dives in Houbihu and the unique characteristics of the waters around Kenting. With their expert knowledge, extensive experience, and passion for diving, they’ll provide you with the safest and most professional guidance, allowing you to enjoy diving in a safe environment.</p>
<h3 data-sourcepos="166:1-166:36">7.3 "Dive Into Your Heart" Commitment: Safe, Warm, Fun, and Sustainable Diving Experience</h3>
<p data-sourcepos="168:1-168:187">The mission of Heart Ocean Diving is "Dive Into Your Heart," and our core declaration is "Excellence in Service, People First." We are always committed to alleviating your tension, creating a safe, warm, and enjoyable learning environment, and working towards the beautiful vision of environmental sustainability and harmony between humans and the ocean. By choosing Heart Ocean Diving, you’re not just learning diving skills; you’re joining a passionate and professional family, exploring the mysteries of the ocean with us and experiencing the charm of diving.</p>
<p> </p>
<h2 id="nav-item-7">8. Common FAQ for New Divers: Clearing Your Doubts on Diving Safety</h2>
<p data-sourcepos="172:1-172:20">Q1: What’s the difference between decompression sickness and nitrogen narcosis?</p>
<p data-sourcepos="174:1-174:160">A: Decompression sickness (DCS) is a condition caused by improper decompression after diving, leading to the formation of nitrogen bubbles in the body. Its main impact is the physical formation of gas bubbles. Nitrogen narcosis, on the other hand, occurs during deep dives due to the narcotic effect of nitrogen on the nervous system under high pressure, which causes the diver to experience confusion or impaired judgment. The causes, symptoms, and treatments for these two conditions are significantly different. <br />
</p>
<p data-sourcepos="176:1-176:24">Q2: What should I do if I feel joint pain after diving?</p>
<p data-sourcepos="178:1-178:129">A: If you experience joint pain after diving, immediately stop all diving activities and rest. If the pain persists or worsens, or if you have other discomforting symptoms, make sure to contact a professional medical facility for help. Heart Ocean Diving provides 24-hour support services to ensure that the cause of your post-dive joint pain is promptly and properly assessed and managed. <br />
</p>
<p data-sourcepos="180:1-180:22">Q3: What’s the difference between a safety stop and a decompression stop?</p>
<p data-sourcepos="182:1-182:167">A: A safety stop is a preventive measure suggested during ascent, usually at 5 meters for 3-5 minutes, to help the body release excess nitrogen more effectively and reduce the risk of decompression sickness. A decompression stop, however, is required when the dive exceeds the no-decompression limit. It must be done at specific depths and times to ensure the safe release of accumulated nitrogen and prevent bubble formation. Heart Ocean Diving's courses provide detailed explanations on when and how to apply these two types of stops. <br />
</p>
<p data-sourcepos="184:1-184:35">Q4: What are the treatment costs for decompression sickness? Are there related insurance policies available?</p>
<p data-sourcepos="186:1-186:110">A: The treatment costs for decompression sickness vary depending on the medical facility, severity of the condition, and treatment plan required (such as hyperbaric oxygen therapy). Hyperbaric oxygen therapy tends to be more expensive. It is strongly recommended that you consider purchasing insurance that covers diving accidents before participating in diving activities, so you can have timely financial protection in case of an unfortunate event. <br />
</p>
<p data-sourcepos="188:1-188:22">Q5: Why is it necessary to observe for 24 hours after diving?</p>
<p data-sourcepos="190:1-190:76">A: Most symptoms of decompression sickness appear within 24 hours after diving. Monitoring your physical condition closely can help you detect potential issues early and seek medical attention in a timely manner for better treatment outcomes.</p>
<p> </p>
<h2 id="nav-item-8">9. Conclusion and Call to Action: Choose Heart Ocean Diving and Explore the Beauty of Kenting with Peace of Mind</h2>
<p data-sourcepos="194:1-194:127">The core philosophy of safe diving is built on thorough knowledge, careful dive planning, and strict adherence to safety protocols. Heart Ocean Diving firmly believes in the principle of "Prevention is Better Than Cure." We encourage all students to continuously learn and practice safety diving techniques during their certification journey, ensuring they enjoy a safe, enjoyable, and exploratory diving experience.</p>
<p data-sourcepos="196:1-196:73">Sign up now for Heart Ocean Diving’s PADI certification courses and start your safe diving journey! Feel free to contact us anytime to learn more about the diving certification process and courses.</p>
<p data-sourcepos="198:1-198:10">Heart Ocean Diving Center</p>
<p data-sourcepos="200:1-200:17">Address: No. 32-1, Shawei Road, Hengchun Township, Pingtung County</p>
<p data-sourcepos="202:1-202:13">Phone: 08-8866110</p>
<p data-sourcepos="204:1-204:40">Website: <a _nghost-ng-c3477518922="" externallink="" href="https://www.xinhai-diving.com/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_50b147b34f86c240","c_6663815515854ebf",null,"rc_097cbc7fdbec59cb",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">Heart Ocean Diving</a></p>
<p> </p>
<h2 id="nav-item-9">10. Practical Appendix: Quick Reference Table for Decompression Sickness Symptoms and Responses</h2>
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<th style="width: 15%; text-align: center;"><strong>Symptom Type</strong></th>
<th style="width: 43%; text-align: center;"><strong>Common Symptoms</strong></th>
<th style="width: 42%; text-align: center;"><strong>Response Measures</strong></th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center;"><strong>Mild (Type I)</strong></td>
<td style="text-align: center;">Joint pain (may feel like deep muscle soreness or dull pain), itching, rash, abnormal fatigue</td>
<td style="text-align: center;">Stop diving, administer oxygen, closely monitor symptoms, rest sufficiently, seek medical advice if necessary</td>
</tr>
<tr>
<td style="text-align: center;"><strong>Severe (Type II)</strong></td>
<td style="text-align: center;">Numbness, tingling, muscle weakness, difficulty breathing, chest pain, dizziness, vertigo, tinnitus, hearing loss (in extreme cases, paralysis or incontinence)</td>
<td style="text-align: center;">Immediately stop diving, administer oxygen, keep the patient warm, and contact a medical facility immediately for hyperbaric oxygen therapy to maximize the golden rescue time.</td>
</tr>
</tbody>
</table>
</div>
<p> </p>
<p> </p>
<h2 id="nav-item-10">11. Diving Safety Tips: Keep Every Dive Safe and Worry-Free</h2>
<ul>
<li>Before diving: Ensure you are in good health, avoid alcohol and excessive fatigue, and get adequate sleep.</li>
<li>During diving: Always stay in contact with your dive buddy, strictly follow your instructor's guidance, and maintain a slow and steady ascent rate.</li>
<li>After diving: Stay hydrated, avoid intense physical activities and flying immediately, and it’s recommended to rest for at least 24 hours.</li>
</ul>
<h4 data-sourcepos="219:1-219:32">Diving Fun Fact: Pressure is Everywhere — Not Just Divers Need to Pay Attention</h4>
<p data-sourcepos="221:1-221:120">You may know that decompression sickness mainly affects divers, but in fact, anyone exposed to rapid pressure changes could be affected, such as high-altitude pilots, tunnel workers in pressurized environments, and patients undergoing treatment in pressure chambers. This reminds us that managing pressure changes scientifically is crucial to our health, regardless of the environment.</p>
<h4 data-sourcepos="223:1-223:13"> </h4>
<p> </p>
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<p><span style="font-size:22px;">Don’t be afraid of diving anymore! Heart Ocean Diving Center breaks down Decompression Sickness (DCS) — what causes it, what the symptoms are, and how to prevent it. </span></p>
<p>Published: 2025-03-29 | Last Updated: 2025-03-29</p>
<div class="catalog">
<h4>Table of Contents</h4>
<ul>
<li><a href="#nav-item-0">1. Introduction: Dive into the blue — safely start your diving dream</a></li>
<li><a href="#nav-item-1">2. What is Decompression Sickness? A hidden danger new divers should know</a></li>
<li><a href="#nav-item-2">3. Why does DCS happen? From tiny bubbles to big diving mistakes</a></li>
<li><a href="#nav-item-3">4. Symptoms of DCS: How your body sends out SOS signals</a></li>
<li><a href="#nav-item-4">5. How to prevent DCS: A hands-on guide to safe diving</a></li>
<li><a href="#nav-item-5">6. Got DCS? Stay calm and follow the right steps</a></li>
<li><a href="#nav-item-6">7. Heart Ocean Diving: Your expert guide to safe diving</a></li>
<li><a href="#nav-item-7">8. New diver FAQ: Answers to your diving safety questions</a></li>
<li><a href="#nav-item-8">9. Final thoughts: Choose Heart Ocean and explore Kenting with peace of mind</a></li>
<li><a href="#nav-item-9">10. Quick Reference: DCS symptoms and how to handle them</a></li>
<li><a href="#nav-item-10">11. Friendly Reminder: Safety tips for every dive</a></li>
</ul>
</div>
<p> </p>
<h2 id="nav-item-0">1. Introduction: Dive into the blue — safely start your diving dream</h2>
<p data-sourcepos="55:1-55:299">Ever dreamed of diving into the deep blue, swimming with colorful tropical fish, or exploring ancient shipwrecks beneath the sea? Taking a scuba diving course or getting your diving license is the first step. But just like any adventure, diving comes with risks — and one of the biggest is Decompression Sickness (DCS), also called “the bends.” Located in sunny Kenting, Heart Ocean Diving is here with one mission: We’re committed to offering the safest, warmest, and most fun PADI courses, so you can learn scuba diving step by step with confidence. With pro guidance, you’ll stay away from DCS and truly enjoy your diving journey. Safe diving, happy exploring!</p>
<h4 data-sourcepos="3:1-3:13">References</h4>
<ul data-sourcepos="5:1-10:0">
<li data-sourcepos="5:1-5:231">Divers Alert Network, <em>Decompression Illness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.google.com/search?q=https://www.diversalertnetwork.org/diving-medicine/decompression-illness/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.diversalertnetwork.org/diving-medicine/decompression-illness/</a></li>
<li data-sourcepos="6:1-6:134">StatPearls, <em>Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.ncbi.nlm.nih.gov/books/NBK430765/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.ncbi.nlm.nih.gov/books/NBK430765/</a></li>
<li data-sourcepos="7:1-7:175">Healthline, <em>What to Know About Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.healthline.com/health/decompression-sickness" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.healthline.com/health/decompression-sickness</a></li>
<li data-sourcepos="8:1-8:321">Merck Manual Consumer Version, <em>Decompression Sickness</em>: <a _nghost-ng-c3477518922="" externallink="" href="https://www.google.com/search?q=https://www.merckmanuals.com/home/injuries-and-poisoning/diving-and-high-pressure-injuries/decompression-sickness" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.merckmanuals.com/home/injuries-and-poisoning/diving-and-high-pressure-injuries/decompression-sickness</a></li>
<li data-sourcepos="9:1-10:0">Professional Association of Diving Instructors (PADI): <a _nghost-ng-c3477518922="" externallink="" href="https://www.padi.com/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_b9c3126942e20174","c_6663815515854ebf",null,"rc_d1df5b0c7ebc2229",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">https://www.padi.com/</a></li>
</ul>
<p data-sourcepos="231:1-231:60">Disclaimer: This article is for reference only. Always get professional dive training and follow local safety rules before diving. If you have any health concerns, please talk to a medical professional.</p>
<p> </p>
<h2 id="nav-item-1">2. What is Decompression Sickness? A Hidden Ocean Risk Every New Diver Should Know</h2>
<h3 data-sourcepos="59:1-59:26">2.1 What Exactly Is DCS and How Is It Related to Diving?</h3>
<p data-sourcepos="61:1-61:218">Decompression Sickness, or “the bends,” happens when your body absorbs too much inert gas (mainly nitrogen) while diving. As you go up too fast, the pressure drops quickly, and those gases turn into bubbles inside your body. These tiny bubbles can block blood flow, press on nerves, and even hurt major organs like your brain and spinal cord. If you're thinking about getting your scuba license or just curious about diving, it’s super important to understand what DCS is and how it relates to diving. This knowledge is key to staying safe underwater.</p>
<h3 data-sourcepos="63:1-63:32">2.2 Why Every Diver Should Know About DCS: Safety Comes First</h3>
<p data-sourcepos="65:1-65:218">Whether you’re just starting a scuba certification course or you’ve been diving for years, DCS can hit if you don’t follow safety rules. Our experienced instructors at Heart Ocean Diving stress that DCS isn’t just something that happens during deep dives. Even in shallow, fun dives — if you ascend too fast or skip a safety stop — it can still happen. That’s why it’s essential to learn how to prevent, recognize, and deal with DCS. This is must-know stuff for anyone aiming to dive safely and earn a scuba license.</p>
<p> </p>
<h2 id="nav-item-2">3. Deep Dive into the Causes of DCS: From Tiny Bubbles to Big Picture</h2>
<h3 data-sourcepos="69:1-69:37">3.1 Dive Physics: Pressure, Gas, and the Magic of Henry’s Law </h3>
<p data-sourcepos="71:1-71:333">The main reason DCS happens ties back to basic physics — especially something called Henry’s Law. In simple terms, this law says that the deeper you go (higher pressure), the more gas (like nitrogen) gets dissolved in your body’s fluids. While diving, you breathe compressed air with lots of nitrogen (about 79%). At depth, your body soaks up more of it. When you go back up, the pressure drops, and that nitrogen comes out of your tissues and exits through your breath. But if you ascend too fast, the change in pressure makes that gas form bubbles — just like shaking a soda and popping the cap. Those bubbles cause DCS. This is a basic principle every new diver should understand.</p>
<h3 data-sourcepos="73:1-73:41">3.2 High-Risk Factors in Diving: Depth, Time, Ascent Speed — The Big 3 for Safe Dives</h3>
<p data-sourcepos="75:1-75:25">Here are the main things that can raise your risk of getting DCS while diving:</p>
<ul>
<li><strong>Dive depth and time:</strong> The deeper and longer you dive, the more nitrogen your body takes in. For example, when diving at the popular Houbihu training area in Kenting, always follow your dive plan and stick to the max depth and time limits.</li>
<li><strong>Going up too fast:</strong> This is one of the top reasons bubbles form. Most dive agencies say your ascent rate should be no faster than 9 meters (30 feet) per minute.</li>
<li><strong>Multiple dives in a short time:</strong> Doing too many dives too close together doesn’t give your body enough time to clear the leftover nitrogen. So, if you’re planning a multi-day dive trip in Kenting, make sure to space out your dives properly.</li>
</ul>
<h3 data-sourcepos="81:1-81:33">3.3 Physical Conditions & Environmental Impact: Your Body and Kenting Waters Speak</h3>
<p data-sourcepos="83:1-83:38">Besides how you dive, your body and the environment also affect your risk of decompression sickness (DCS):</p>
<ul>
<li>Physical conditions: Being dehydrated, too tired, overweight, older, or having certain health issues (like heart or lung conditions, or a patent foramen ovale) can increase your risk of getting DCS.</li>
<li>Environmental impact: The Hengchun Peninsula has many dive spots like Wanlitong and Houbihu. Each has different temperatures, currents, and depths. Colder water slows down how your body gets rid of nitrogen, and deeper dives mean more pressure and nitrogen absorption. Our experienced team at Heart Ocean Diving Center knows Kenting’s dive sites well and gives personalized safety advice so you can enjoy diving while staying safe.</li>
</ul>
<h2 id="nav-item-3">4. Full Breakdown of DCS Symptoms: When Your Body Sends Out SOS</h2>
<p data-sourcepos="90:1-90:53">Spotting DCS symptoms early is key to getting the right treatment. DCS is usually divided into two types depending on how bad it is:</p>
<h3 data-sourcepos="92:1-92:42">4.1 Mild (Type I) Symptoms: Early Signs You Shouldn't Ignore (Joints, Skin, Fatigue)</h3>
<ul>
<li>Joint pain: The most common symptom. It usually hits the shoulders, elbows, knees, or ankles. It can feel like a dull ache, sharp cramp, or just uncomfortable. If your joints hurt after diving, pay attention—it might be an early warning.</li>
<li>Skin changes: You might see rashes, itching, numbness, or odd sensations. Sometimes small red spots or patches show up, like flea bites—this is a mild skin symptom of DCS.</li>
<li>Extreme tiredness: Feeling more tired than usual after diving, especially with weakness all over your body, can also be a mild DCS sign.</li>
</ul>
<h3 data-sourcepos="98:1-98:43">4.2 Severe (Type II) Symptoms: Serious Warnings That Can Be Life-Threatening (Nerves, Breathing, Inner Ear)</h3>
<ul>
<li>Nervous system issues: More serious DCS can affect your nerves—numbness, tingling, weak muscles, or even paralysis and trouble with bladder/bowel control. This is serious and needs emergency care.</li>
<li>Trouble breathing: Chest pain, nonstop coughing, shortness of breath, or feeling like you can't breathe properly—these are serious symptoms that need attention fast.</li>
<li>Inner ear effects: You might feel dizzy, hear ringing, or notice hearing loss. These are warning signs after diving.</li>
</ul>
<h3 data-sourcepos="104:1-104:28">4.3 Watch for 24 Hours After Diving: Stay Safe</h3>
<p data-sourcepos="106:1-106:158">DCS symptoms usually show up within minutes to hours after a dive. Over 90% appear within 24 hours. That’s why it’s super important to monitor your body closely after diving. Even small discomfort or tiredness shouldn’t be ignored. Heart Ocean Diving Center recommends observing yourself for at least 24 hours after diving. If anything feels off, get medical help right away.</p>
<h2 id="nav-item-4">5. Preventing DCS: A Practical Guide for Safe Diving</h2>
<p data-sourcepos="110:1-110:52">Prevention is the best way to avoid DCS. Following the right diving rules and safety tips can lower your risk a lot.</p>
<h3 data-sourcepos="112:1-112:34">5.1 Know Your No-Decompression Limit (NDL): The Time Limit for Safe Diving</h3>
<p data-sourcepos="114:1-114:197">NDL (No-Decompression Limit) is how long you can stay at a certain depth and go back to the surface without needing a decompression stop. Learning how to use your diving computer or dive table to calculate NDL is key for all certification students. Heart Ocean Diving Center’s instructors will teach and show you how to use it and help you plan your dives carefully to stick to the NDL.</p>
<h3 data-sourcepos="116:1-116:28">5.2 Do a Proper Safety Stop: Extra Protection Underwater</h3>
<p data-sourcepos="118:1-118:147">As you finish your dive and start going up, it’s highly recommended to stop at 5 meters (about 15 feet) for 3–5 minutes. A good safety stop means holding your neutral buoyancy and staying steady without floating up or down. We’ll train you on this important skill during your PADI course at Heart Ocean Diving Center.</p>
<h3 data-sourcepos="120:1-120:33">5.3 Slow Ascent & Depth Control: Stay Chill with Pressure</h3>
<p data-sourcepos="122:1-122:172">Going up slowly and steadily is super important to avoid DCS. Most organizations say to keep your ascent under 9 meters (30 feet) per minute. Also, don’t dive deeper than you planned. Many joint pain cases after diving come from rising too fast. Our experienced instructors will guide you during your dive and help manage the pressure changes safely.</p>
<h3 data-sourcepos="124:1-124:30">5.4 Healthy Habits After Diving: Flying, Hydration, and Rest</h3>
<ul>
<li>Avoid flying too soon: Don’t hop on a plane right after diving. Wait at least 12 hours after one dive. For multiple or deep dives, wait 18–24 hours or more. Flying too soon is a big risk for DCS—don’t forget it!</li>
<li>Stay hydrated: Dehydration makes your blood thicker and slows down nitrogen release. Drink plenty of water before, during, and after your dive.</li>
<li>Skip heavy workouts: Don’t do hard physical activity after diving. It can make tiny bubbles in your body worse. Just take it easy and rest.</li>
</ul>
<h2 id="nav-item-5">6. When Decompression Sickness Strikes: Stay Calm and Handle It Right</h2>
<p data-sourcepos="132:1-132:57">Even if you’ve taken all the precautions, if you or your dive buddy show signs of decompression sickness, it’s crucial to stay calm and take the correct action right away.</p>
<h3 data-sourcepos="134:1-134:31">6.1 Initial Assessment and Emergency First Aid Steps: The Golden Actions at the First Moment</h3>
<p data-sourcepos="136:1-136:81">If you or your dive buddy experience joint pain that’s hard to tell apart from normal muscle soreness, immediately stop all diving activities and assess the symptoms. The professional instructors at Heart Ocean Diving Center suggest the following steps:</p>
<ul>
<li>Carefully observe how the symptoms develop and check if they’re getting worse.</li>
<li>Have the patient lie down and rest, avoid standing or moving around to prevent gas bubbles from spreading further in the body.</li>
<li>Keep the patient as warm as possible to prevent hypothermia.</li>
</ul>
<h3 data-sourcepos="142:1-142:29">6.2 Oxygen First Aid and Professional Medical Referral: Saving Time for Life</h3>
<p data-sourcepos="144:1-144:190">Providing 100% pure oxygen is the first aid for decompression sickness. Breathing in high-concentration oxygen helps shrink nitrogen bubbles inside the body and speeds up the removal of nitrogen. Heart Ocean Diving Center is equipped with professional oxygen first aid equipment, and we teach the correct oxygen first aid methods in our PADI certification courses. Once you confirm or strongly suspect decompression sickness, immediately contact a professional medical facility, inform them of the situation, and seek emergency medical help for hyperbaric oxygen therapy. Hyperbaric oxygen therapy is currently the most effective treatment for decompression sickness.</p>
<h3 data-sourcepos="146:1-146:36">6.3 Heart Ocean Diving Center’s Emergency Support Network: Your Most Reliable Backup in Kenting</h3>
<p data-sourcepos="148:1-148:137">Heart Ocean Diving Center understands how important dive safety is. We’ve established close partnerships with professional diving medical facilities in Hengchun, ensuring the best emergency rescue access for our students. In case of an emergency, we will make sure you can quickly get professional medical treatment with support from local emergency resources in Kenting. Here’s the info for our partnered medical facility:</p>
<p data-sourcepos="150:1-150:10">Hengchun Diving Medical</p>
<p data-sourcepos="152:1-152:17">Address: No. 32-1, Shawei Road, Hengchun Township, Pingtung County</p>
<p data-sourcepos="154:1-154:13">Phone: 08-8866110</p>
<p> </p>
<h2 id="nav-item-6">7. Heart Ocean Diving Center: Your Professional Diving Safety Navigator</h2>
<h3 data-sourcepos="158:1-158:41">7.1 The Rigorous Safety System of PADI Certification Courses: Comprehensive Protection from Beginner to Advanced</h3>
<p data-sourcepos="160:1-160:229">Heart Ocean Diving Center offers PADI certification courses of all levels, prioritizing diving safety. Our PADI Decompression Theory Course thoroughly covers the causes, prevention, symptoms, and emergency response steps for decompression sickness. We combine in-depth theory with rich practical experience, including simulation drills, ensuring every new diver masters key safety skills from the basics while getting their diving certification. Our instructors are all PADI-certified professionals who regularly receive the latest safety training to ensure that the teaching content remains professional and up-to-date.</p>
<h3 data-sourcepos="162:1-162:34">7.2 The Expertise and Passion of Our Experienced Instructor Team: Rich Experience You Can Trust</h3>
<p data-sourcepos="164:1-164:182">Heart Ocean Diving Center has a team of skilled instructors with professional certifications and years of diving and teaching experience. Not only are they certified at various PADI levels, but they’re also very familiar with safety planning for multi-day dives in Houbihu and the unique characteristics of the waters around Kenting. With their expert knowledge, extensive experience, and passion for diving, they’ll provide you with the safest and most professional guidance, allowing you to enjoy diving in a safe environment.</p>
<h3 data-sourcepos="166:1-166:36">7.3 "Dive Into Your Heart" Commitment: Safe, Warm, Fun, and Sustainable Diving Experience</h3>
<p data-sourcepos="168:1-168:187">The mission of Heart Ocean Diving is "Dive Into Your Heart," and our core declaration is "Excellence in Service, People First." We are always committed to alleviating your tension, creating a safe, warm, and enjoyable learning environment, and working towards the beautiful vision of environmental sustainability and harmony between humans and the ocean. By choosing Heart Ocean Diving, you’re not just learning diving skills; you’re joining a passionate and professional family, exploring the mysteries of the ocean with us and experiencing the charm of diving.</p>
<p> </p>
<h2 id="nav-item-7">8. Common FAQ for New Divers: Clearing Your Doubts on Diving Safety</h2>
<p data-sourcepos="172:1-172:20">Q1: What’s the difference between decompression sickness and nitrogen narcosis?</p>
<p data-sourcepos="174:1-174:160">A: Decompression sickness (DCS) is a condition caused by improper decompression after diving, leading to the formation of nitrogen bubbles in the body. Its main impact is the physical formation of gas bubbles. Nitrogen narcosis, on the other hand, occurs during deep dives due to the narcotic effect of nitrogen on the nervous system under high pressure, which causes the diver to experience confusion or impaired judgment. The causes, symptoms, and treatments for these two conditions are significantly different. <br />
</p>
<p data-sourcepos="176:1-176:24">Q2: What should I do if I feel joint pain after diving?</p>
<p data-sourcepos="178:1-178:129">A: If you experience joint pain after diving, immediately stop all diving activities and rest. If the pain persists or worsens, or if you have other discomforting symptoms, make sure to contact a professional medical facility for help. Heart Ocean Diving provides 24-hour support services to ensure that the cause of your post-dive joint pain is promptly and properly assessed and managed. <br />
</p>
<p data-sourcepos="180:1-180:22">Q3: What’s the difference between a safety stop and a decompression stop?</p>
<p data-sourcepos="182:1-182:167">A: A safety stop is a preventive measure suggested during ascent, usually at 5 meters for 3-5 minutes, to help the body release excess nitrogen more effectively and reduce the risk of decompression sickness. A decompression stop, however, is required when the dive exceeds the no-decompression limit. It must be done at specific depths and times to ensure the safe release of accumulated nitrogen and prevent bubble formation. Heart Ocean Diving's courses provide detailed explanations on when and how to apply these two types of stops. <br />
</p>
<p data-sourcepos="184:1-184:35">Q4: What are the treatment costs for decompression sickness? Are there related insurance policies available?</p>
<p data-sourcepos="186:1-186:110">A: The treatment costs for decompression sickness vary depending on the medical facility, severity of the condition, and treatment plan required (such as hyperbaric oxygen therapy). Hyperbaric oxygen therapy tends to be more expensive. It is strongly recommended that you consider purchasing insurance that covers diving accidents before participating in diving activities, so you can have timely financial protection in case of an unfortunate event. <br />
</p>
<p data-sourcepos="188:1-188:22">Q5: Why is it necessary to observe for 24 hours after diving?</p>
<p data-sourcepos="190:1-190:76">A: Most symptoms of decompression sickness appear within 24 hours after diving. Monitoring your physical condition closely can help you detect potential issues early and seek medical attention in a timely manner for better treatment outcomes.</p>
<p> </p>
<h2 id="nav-item-8">9. Conclusion and Call to Action: Choose Heart Ocean Diving and Explore the Beauty of Kenting with Peace of Mind</h2>
<p data-sourcepos="194:1-194:127">The core philosophy of safe diving is built on thorough knowledge, careful dive planning, and strict adherence to safety protocols. Heart Ocean Diving firmly believes in the principle of "Prevention is Better Than Cure." We encourage all students to continuously learn and practice safety diving techniques during their certification journey, ensuring they enjoy a safe, enjoyable, and exploratory diving experience.</p>
<p data-sourcepos="196:1-196:73">Sign up now for Heart Ocean Diving’s PADI certification courses and start your safe diving journey! Feel free to contact us anytime to learn more about the diving certification process and courses.</p>
<p data-sourcepos="198:1-198:10">Heart Ocean Diving Center</p>
<p data-sourcepos="200:1-200:17">Address: No. 32-1, Shawei Road, Hengchun Township, Pingtung County</p>
<p data-sourcepos="202:1-202:13">Phone: 08-8866110</p>
<p data-sourcepos="204:1-204:40">Website: <a _nghost-ng-c3477518922="" externallink="" href="https://www.xinhai-diving.com/" jslog="197247;track:generic_click,impression;BardVeMetadataKey:[["r_50b147b34f86c240","c_6663815515854ebf",null,"rc_097cbc7fdbec59cb",null,null,"zh-Hant",null,1,null,null,1,0]]" rel="noopener" target="_blank">Heart Ocean Diving</a></p>
<p> </p>
<h2 id="nav-item-9">10. Practical Appendix: Quick Reference Table for Decompression Sickness Symptoms and Responses</h2>
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<table style="min-width: 500px; width: 100%;">
<thead class="cw bgc1">
<tr>
<th style="width: 15%; text-align: center;"><strong>Symptom Type</strong></th>
<th style="width: 43%; text-align: center;"><strong>Common Symptoms</strong></th>
<th style="width: 42%; text-align: center;"><strong>Response Measures</strong></th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center;"><strong>Mild (Type I)</strong></td>
<td style="text-align: center;">Joint pain (may feel like deep muscle soreness or dull pain), itching, rash, abnormal fatigue</td>
<td style="text-align: center;">Stop diving, administer oxygen, closely monitor symptoms, rest sufficiently, seek medical advice if necessary</td>
</tr>
<tr>
<td style="text-align: center;"><strong>Severe (Type II)</strong></td>
<td style="text-align: center;">Numbness, tingling, muscle weakness, difficulty breathing, chest pain, dizziness, vertigo, tinnitus, hearing loss (in extreme cases, paralysis or incontinence)</td>
<td style="text-align: center;">Immediately stop diving, administer oxygen, keep the patient warm, and contact a medical facility immediately for hyperbaric oxygen therapy to maximize the golden rescue time.</td>
</tr>
</tbody>
</table>
</div>
<p> </p>
<p> </p>
<h2 id="nav-item-10">11. Diving Safety Tips: Keep Every Dive Safe and Worry-Free</h2>
<ul>
<li>Before diving: Ensure you are in good health, avoid alcohol and excessive fatigue, and get adequate sleep.</li>
<li>During diving: Always stay in contact with your dive buddy, strictly follow your instructor's guidance, and maintain a slow and steady ascent rate.</li>
<li>After diving: Stay hydrated, avoid intense physical activities and flying immediately, and it’s recommended to rest for at least 24 hours.</li>
</ul>
<h4 data-sourcepos="219:1-219:32">Diving Fun Fact: Pressure is Everywhere — Not Just Divers Need to Pay Attention</h4>
<p data-sourcepos="221:1-221:120">You may know that decompression sickness mainly affects divers, but in fact, anyone exposed to rapid pressure changes could be affected, such as high-altitude pilots, tunnel workers in pressurized environments, and patients undergoing treatment in pressure chambers. This reminds us that managing pressure changes scientifically is crucial to our health, regardless of the environment.</p>
<h4 data-sourcepos="223:1-223:13"> </h4>
<p> </p>
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