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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
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Caption: The Windham Weaponry .450 Thumper field strips like any AR-15 and will pack nicely for any hunting trip.
The algorithm was tested with raw gather containing Ground Roll (high amplitude) obtained from shallow and depth seismic land surveys with different source (hammer, dynamite and thumper. A lateral coherence increase is observed in stacked sections.
At its heart the .450 Thumper is a 16-inch-barreled AR-15 with a free-floating barrel and a fully adjustable fixed stock, chambered in the big .450 Bushmaster cartridge.
Thumper loves fish while Mischief prefers meat but they both love I Can't Believe It's Not Butter.
They normally take two of us to move one, but Thumper quickly discovered his own method.
Thumper I'd never X-rayed a llama before but the process was the same as for a horse.
PDSA vet IAN FLEMING answers your questions QMY bunny, Thumper, keeps thumping his back legs whenever the next door neighbour's cat comes into our garden.
Steve Black will be in the home dressing-room as official tub thumper and motivator as well as the guy to warm up the players.
I am no Bible thumper, but if church leaders fail to speak up, then it is no wonder the moral decline (and everything it brings) is accelerating.
Last year I saw a Thumper like yours on offer for pounds 240 so you have picked up a real bargain.
Tweet of the Week: A German Bible thumper sat down w/us at lunch - said the earthquake in Haiti happened because people's hearts weren't open to God.
Q How can we train my granddaughters' sixmonth-old rabbit Thumper to wet in the same place?