Once in the course of, fight him, save your strength. It is best to cross over across. In the funnel it is addictive in a circle – swim for him, but gradually getting away from the center.
If you sail in a circle is not obtained and you are in the center of the vortex – type more air in lungs and dive. Try to find a current that brings to the surface, and not be held in a circle. This must have in any funnel – it will make you up.
Not to lose the under water orientation, release a few air bubbles – they will always rise to the top. In addition, the vortex may cause dizziness, violate the coordination of movements – try not to get lost and not to panic.
Very dangerous the strong currents in shallow water, as the bottom may be littered with driftwood, debris, sharp stones. Try not to touch the bottom during the movement, until it reaches a fairly flat area. Here turn around against the flow and straighten up to his full height, trying to stand up abruptly to the bottom.
If you stand did not work, go with the flow on to the wider place of the river. The wider the river, the, as a rule, the smaller the current.
Perhaps you're going over to a large boulder or tree sticking out of the water. Try to substitute feet or hands under the blow, thus protecting vital organs. Well, if you manage to grab the tree with your hands.
Shallow water danger also represent algae. If you feel that they embraced hinge arms, legs and torso, don't panic. Take a horizontal position and do not make sudden movements, gently leave the dangerous place.
Long stay in the water and hypothermia can cause seizures. In this situation, dive into the water head (vertical), straighten your legs, grab big toes, and sharply pull. Try to work more reduced muscle to get rid of the cramps will be faster.