How to Do 'Hands-Only CPR' (1/2)
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参考答案: Cardiopulmonary resuscitation, or CPR, is help for a stopped heart. It increases the chances of survival and reduces the danger of brain damage. With traditional CPR, you push hard on the chest thirty times, then stop to give two breaths to force air into the lungs. You repeat the steps until the victim can get medical treatment.
But people may worry about getting sick from blowing into a stranger's mouth. Also, the training is easy to forget, especially in a crisis. And those without training may be afraid to do anything for fear they will do something wrong.
So now, the American Heart Association has simplified its guidelines and is calling for hands-only CPR. Here is how it works. A person has collapsed and is unconscious. The victim has lost color in the face and does not appear to be breathing. These are signs of cardiac arrest -- and this is the time to begin CPR.
Place your hands, one on top of the other, on the center of the chest. Push hard and fast. Aim for a rate of about one hundred presses in a minute. Chest compressions keep the blood flowing to the brain, heart and other organs.
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