1, is the so-called sudden death of unknown causes heart and respiratory arrest, medically known as sudden death. "Sudden death" refers to a "healthy" without a sign, without the incentive of a sudden unexpected death.
2, the right way to a heart attack first aid: Ⅰ first with fists rhythmically hard knock his chest inside the left nipple (heart), 2-3 times in a row knock. Raised his fist at 20-30 cm from the chest to grasp the power of knock. Knock, by stimulating the heart, sometimes a return to their own beat. Ⅱ If the pulse has yet to resume, it should do so immediately in a row 4th mouth resuscitation, followed by another external cardiac massage. Ⅲ implementation of a cardio-pulmonary resuscitation, so every 15 cardiac massage, to do artificial respiration 2. Ⅳ cardiac massage per second to 1 times the speed, do not even 15of artificial respiration rate of 1 every 5 seconds to do, do not even 2. This turn of the on-going. Ⅴ together to carry out cardiopulmonary resuscitation, even to do the same to 4 times artificial respiration. Ⅵ Then, one 5 times in a row to do heart massage before coming to a halt and the other one to do artificial respiration. And so on a continuous basis, not to do two at the same time. Ibid speed. Ⅶ to do artificial respiration, patients should always pay attention to checking the carotid artery, or whether any pulse beat. If the sick and wounded had begun to enlarge the pupil to narrow, face a turn for the better, there pulse and began breathing on his own to illustrate the success of the rescue, you can temporarily stop the heart massage and artificial respiration, but to closely monitor the heart beat, at any time once again to prepare for emergency treatment.
3, Gold 4 minute "rule: the brain needs a lot of oxygen, respiratory and cardiac arrest, cerebral anoxia soon, 4 minutes, half of the damaged brain cellsif sudden illness in patients with 4 minutes, Can be an effective first-aid measures, the recovery rate of 50% (this is called 4 minutes to save the life of the "golden 4 minutes") more than 5 minutes and then implementation of cardiopulmonary resuscitation, only a quarter of those who may be saved. Really is the time Is life!
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