Cardiopulmonary resuscitation (CPR) is an emergency medical procedure for a victim of cardiac arrestor, in some circumstances, respiratory arrest. CPR can be performed at home or in the community by a lay man having no medical qualifications.
CPR involves physical interventions to create artificial circulation through rhythmic pressing on the patient's chest to manually pump blood through the heart, called chest compressions, and usually also involves the rescuer exhaling into the patient (or using a device to simulate this) to inflate the lungs and pass oxygen in to the blood, called artificial respiration.
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