If its got a leak you can rescue yourself with chilli the hotter the better or chilli powedr mixed in warm water and drink ,its balances your blood pressure out either from high to low or from low to high and works on leaks that effect pressure including slowing gapeing wounds anywhere on your body.

If it contracts into an attack I heard a surgeon say the best thing you can do forself is cough.

Chinese drop a knuckle into the centre of your top lip and squeeze the tips of your left little fingers around.