Report Shows CPR Survival Rates Lower Than Most People Think

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The majority of people believe cardiopulmonary resuscitation (CPR) is successful more often than it tends to be in reality, according to a small U.S. study.

This overly optimistic view, which may partly stem from seeing happy outcomes in television medical dramas, can get in the way of decision-making and frank conversations about end of life care with doctors, the research team writes in American Journal of Emergency Medicine.

CPR is intended to restart a heart that has stopped beating, known as cardiac arrest, which is typically caused by an electrical disturbance in the heart muscle. Although a heart attack is not the same thing — it occurs when blood flow to the heart is partly or completely blocked, often by a clot — a heart attack can also cause the heart to stop beating.