If you learn about CPR, you have an opportunity save a person's life. What is CPR? Its stand for Cardio ( heart).Pulmonary( lungs). Resuscitation (living again).
This is a signs of a heart attack: chest pain-pressure, short of breath, sweaty cool, and look sick.
What should you do? The first step, you must to loosen clothes of victim, and call 911. If they lose consciousness, lay victim on the floor. The second steps you must to look, listen, feel, and the three steps you start to use to method of CPR.
You give two breathing to force air into the lungs then you push hard on the chest of victim thirty times if the victim is unconscious you still continue two breathing, and push hard on the chest thirty times until victim become conscious.