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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]
About 90% of people who experience cardiac arrests outside of a hospital die. But CPR can double or triple a person’s survival chances.
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.
If you see a person choking, the first thing you should do is perform the Heimlich maneuver to clear her airway, Syros says. “It that fails and they lose consciousness, call 911 and then do CPR ...
CPR involves a rescuer or bystander providing chest compressions to a patient in a supine position while also giving rescue breaths. The rescuer or bystander can also choose not to provide breaths and provide compression-only CPR. Depending on the age and circumstances of the patient, there can be variations in the compression to breath ratio ...
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