External cardiac massage

A rescue action, which is part of the resuscitation procedure. The massage is performed by serial exertion of pressure and relaxation on the chest bone, at the rate of about 100 per minute. The massage is kind of external squeezing of the heart causing its voiding and filling to a certain extent and thus preserving cardiac output and blood flow to vital body organs for the duration of the resuscitation.

The quality of cardiac massage and the proficiency of the person performing it are considered as having major importance on the success of the resuscitation procedure.