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Cardiopulmonary resuscitation (CPR) is an emergency procedure consisting of chest compressions often combined with artificial ventilation, or mouth to mouth in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
The CPR mask is the preferred method of ventilating a patient when only one rescuer is available. Many feature 18 mm (0.71 in) inlets to support supplemental oxygen, which increases the oxygen being delivered from the approximate 17% available in the expired air of the rescuer to around 40-50%. [12]
An estimated 90% of people who experience cardiac arrest outside a hospital die, but if someone performs CPR in the first few minutes, the odds of survival double or even triple, according to the CDC.
CPR has two main skills, providing compressions and giving breaths. Hands-only CPR starts to circulate the already oxygenated blood throughout the system and can be the bridge from death back to life.
By 1966, CPR was being taught to laypeople as well as professionals, but with disappointing results. Fewer than 50% of people were able to pass a CPR performance evaluation three months after receiving standardized training in CPR, and the results of cardiac resuscitation attempts initiated outside of hospitals were dismal. [52]
About 90% of people who experience cardiac arrests outside of a hospital die. But CPR can double or triple a person’s survival chances. How — and when — to perform CPR on infants, kids and ...
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