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Etymology: AS, cest, box
a sharp blow delivered to the chest in the precordial area to restore a normal heartbeat after cardiac arrest.
A punch or blow to the center of the sternum with the fist or a mechanical device.
chest thumpPrecordial thump.
A forceful punch delivered to a patient’s sternum in an attempt to terminate a lethal cardiac rhythm, such as ventricular fibrillation or ventricular tachycardia.Synonym: chest thump