I have just been watching Thirteen lives – the film about the cave rescue of the 13 young boys in Thailand who were totally sedated before being taken hours under water.
It got me thinking that when I go snorkelling i always get a bit of water leak into my mask and have to come up and clear it out so i don’t breath water in.
Is this something that happens to scuba divers, if so how do they deal with it, and in the case of the boys how would the divers accompanying them have cleared the boy’s masks ?
i would also like to say what an incredible job done by all those involved.
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In this rescue they used positive pressure full face mask. This means air was constantly being forced into the mask which would push out any water. Typically divers use demand valves that only uses air when you inhale. Since the boys were effectively sedated they needed to use the positive pressure as they would not be able to clear on their own.
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