■Underwater rescue

Underwater, it is dangerous to approach a troubled diver carelessly, whether he is panicked or not.
If a diver panics, you may be hugged.
First, observe the diver.
When diver does seem to be breathing shallow and fast due to his exhaust bubbles, stabilize his breathing with a hand signal.

Breathe air

Blow air

Breathe air

Blow air

Let's do big gesture hand signal for easy understanding.

Let the divers calm down and ascent with him.

Even if the diver does not respond to the ascent sign, it may follow you when you start ascending.

ascent

Also, a diver who has panicked may feel stifled, and begin to ascend suddenly towards the surface of the water from fear of can not breathing.

If the diver is ascending quickly without blowing air, hold down the diver's fins from below to prevent lung rupture and reduce the ascent rate.

Once on the surface, support the diver with swimming rescue.