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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.
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.
The history of cardiopulmonary resuscitation (CPR) can be traced as far back as the literary works of ancient Egypt (c. 2686 – c. 2181 BC). [1] However, it was not until the 18th century that credible reports of cardiopulmonary resuscitation began to appear in the medical literature.
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%.
Basic life support (BLS) is a level of medical care which is used for patients with life-threatening condition of cardiac arrest until they can be given full medical care by advanced life support providers (paramedics, nurses, physicians or any trained general personnel).
There are multiple factors during cardiopulmonary resuscitation (CPR) and defibrillation that are associated with success of achieving return of spontaneous circulation. One of the factors in CPR is the chest compression fraction, which is a measure of how much time during cardiac arrest are chest compressions performed.
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