The most important rule in scuba diving is to never hold your breath. But why should you never hold your breath while scuba diving?
Same as our ears we also have to equalize our lungs while scuba diving. If we don’t then on the ascent we risk lung overextension injury. This is a serious condition that can be life-threatening.
​If we hold our breath while scuba diving on the ascent, we trap the air in our lungs and that starts expanding as we move from high to low pressure, to the point it can damage our lungs. This is why you should never hold your breath while scuba diving.
The good news is that we can easily solve this by doing nothing special other than breathing. When you scuba dive you should always breathe continuously and never hold your breath to let air escape from your lungs at any time, especially during ascent.
What can happen when you hold your breath during scuba diving?
If you hold your breath on the ascent while scuba diving you can rupture your lungs as expanding air cannot escape. When you ascend you move from high surrounding pressure to low pressure. This causes air from your lungs to expand.
This is not a problem if you breathe continuously, but if you hold your breath you trap the air in your lungs, and on the ascent, it can expand to a volume that can cause serious lung overexpansion (lung rupture) injuries.
Timetable and chapters on why should you never hold your breath while scuba diving:
00:00 Introduction
00:10 why should you never hold your breath while scuba diving
00:55 what happens if you hold your breath while scuba diving
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Marcel van den Berg is a certified PADI Divemaster (2007), OWSI (2007), MSDT (2007), IDCSI (2008), Master Instructor (2010), and Course Director since 2011. This video and other video’s on the KZread Channels: Marcel van den Berg and Scuba Diving Tips are for general informational purposes only. Always seek the advice of your Local Law, Scuba Diving Training Organisation, RSTC, and/or your scuba diving professional that is legally teaching/guiding you scuba diving whenever you are in doubt, or following a scuba diving course/guide scuba dive under the supervision of a scuba dive professional from any worldwide dive, industry-recognized scuba diving organization. Marcel (Mario) van den Berg, IDC Koh Tao Thailand, and/or Scuba Diving Tips are not liable or responsible for any advice, trading tips, or any other information, services, or product you obtain through this video or site. Marcel (Mario) van den Berg, IDC Koh Tao Thailand, and/or Scuba Diving Tips are not liable or responsible for any injury, financial loss, failing a scuba diving course, and or loss of certification.
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