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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.
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]
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]
Three labor and delivery nurses from Texas — Julie Watson, Nicole Curry, and Alyssa Gonzalez — are using Sabrina Carpenter’s hit song “Please Please Please” in a life-saving way.
The ABC system for CPR training was later adopted by the American Heart Association, which promulgated standards for CPR in 1973. As of 2010, the American Heart Association chose to focus CPR on reducing interruptions to compressions, and has changed the order in its guidelines to Circulation, Airway, Breathing (CAB). [48]
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