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A punch or blow to the center of the sternum with the fist or a mechanical device.

chest thump

Precordial thump.

precordial 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.


This procedure is not routinely used. The critical time it consumes during resuscitation may be better used by starting chest compressions and assigning a second rescuer to obtain an automated external defibrillator.
Synonym: chest thump
References in periodicals archive ?
As we've mentioned, the main criteria for considering a product a "swimbait" is that the body produces a swimming motion as the tail also does its thumper thing.
Patterson is quoted as saying, We Anglicans don't 'do' evangelism--that's for the Bible thumpers and the Protestants."
MAY I say how amused and delighted I was at Jim Moran's very funny debunking of Biblical nonsense (Letters, October 14), and how correct is Frank Fortescue's complaint (October 22) at the feeble responses and excuses from the Bible thumpers.
Anyone who's fallen afoul of obstreperous Bible thumpers will appreciate this collection of sanctimonious satire from the popular Internet diva.