A person if the heart is not beating properly, and at the beginning was about to faint, he is only about ten seconds of time, then you'll lose consciousness, stupor.
If no others around to help aid patients to immediately grasp the ten seconds short of the time they have saved themselves ... You want to cough! Ben! Before each cough, it must first a big deep breaths. Then, forced to cough, deep and long, seems to cough up sputum from deep chest.
About two seconds per interval, you want to do it again, well, have to do when the ambulance arrived, or had felt her heart beating fast returning to normal, to rest ... The aim is to take a deep breathe the oxygen absorption into the lungs, cough's purpose is to compress the heart and improves blood circulation. On heart squeezing it can also help restore the normal pulse.