Most IMPORTANT rule of SCUBA DIVING
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- Опубликовано: 7 фев 2025
- Scuba divers never hold their breath! This is why…
The most important rule of diving is to never ever hold your breath. As you descend, air compresses. The air in your lungs will compress. When you take a breath in, it expands your lungs- just as it would at the surface. However, at the surface if you hold your breath, your lungs stay that same size. Whereas, underwater if you hold your breath and happen to ascend, even slightly, the air will expand past what is normal for our lungs and can cause a lung over expansion injury.
Lung over expansion can take form in bubbles entering the blood stream, air around the heart and even a collapsed lung. They’re treated the same as decompression sickness but present almost immediately after surfacing. 🏥 🫁
For this reason, we never hold our breath! If a regulator is out of your mouth, blow little bubbles out! 🫧
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Another great demo! Thanks Holly!😊
Thank you legend
You can hold your breath while doing a certain skill at a certain depth but you can’t ascend while holding your breath if you have a perfect buoyancy and trim at a certain depth, for example switching regulators you can hold your breath while switching them or deploying your DSMB while maintaining depth, but you cannot ascend or descend while holding your breath
Exactly.
Like when holding breath for buoyancy control, when diving above a rock that is in your way when diving in a straight line, right?
The Angler Fish from Nemo will forever scare me from going in the water, and im from a surfing family 😭😭😭
Least you know they are very deep and no where near the good surf
Funny thig that supprised me as a new diver, if you use your lungs to play with your boyancy.
You can totaly keep breathing in as you acent becorse your second stage compensates for is.
Just keep your air ways open, closing them with force thats the problem
Always breathing keeps your air ways open.
Yeah we and all other dive pros only add a small amount of air into our BCD or Wing and use our lungs to control our bouyancy.
Yeah, true, but only when you are on your way out of the water.
Anytime when ascending but always easier to just keep breathing
You can absolutely hold your breath as long as you are at the same depth, and not going up or down , I got certified to scuba dive when I was 13 I am 52 now. When I’m diving , once I am at a level depth I take a breath & I hold it for about five seconds then let it out slowly , because of this technique I use,,,, My air last 20 minutes longer than everybody else’s. Most people get about 35 to 45 minutes at 50 feet , Me, I get up to an hour with plenty of time for my ascent to the surface 😮 The important thing is to not hold your breath while swimming up , the air will expand I am bad things will happen to you
While this is true and your lungs will not expand if staying stationary, it’s a good habit to practice normal breathing techniques. When you breathe in and your lungs fill, it slightly changes your buoyancy and makes you more positive, making it harder to stay at the same depth. What you do is skip breathing, something I never reccomend to scuba divers due to the possibility of CO2 buildup, increased chance of headaches and in severe cases, potential for a deep water blackout. Of course, breathe however you wish when you’re diving but this is not something I would recommend to others. I don’t skip breathe and I surface most hour long dives with well over half a tank of air.
What? No that's wrong. You are perfectly fine to hold your breath when diving... just exhale a bit when you r ascending.
You can even hold a lil less than half your lungs volume from 10m... given you know how half feels like.
As you know every agency states this as the most important rule of scuba diving to continue breathing and never hold your breathe. DAN even advises against holding your breathe.
Yes in tech you don’t incase you bust a deco stop. At this level you normally have sound bouyancy control.
You know most people do not know what an exact half breathe is.
@BlueHorizonDiving i actually don't know that. I rather think its wrong. This seems to be a padi and Co thing for ppl who can't control their buoyancy. All of my instructors (rec and tec) taught me to not breath out when i keep my depth (different organisation i guess). Ofc when i dont have a reg in my mouth.
The most important rule is to not dive
Not to dive defeats the point of diving