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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 ?
Of course, little George - well, we just had to name him after our eagle-eyed neighbour - will have to be castrated, because he'll be heading for the freezer, just like Thumper.
She added: ``I've reported it to the police and the RSPCA just in case but I'm convinced someone must have stolen Thumper as a Christmas present or a truly malicious prank.
The animal, named Thumper after it gave one of its rescuers a nasty kick in the leg, was pulled from the Leeds and Liverpool Canal, in Leeds, on Sunday evening.
Utaha and Thumper are both the progeny of Derryharney Outstanding, bought in October 1999 for 18,000gns, who runs between Peter's Pedr herd and John's Gwenog herd at the home farm, Ty Cam, just outside the Teifi Valley village of Llanwenog.
Wilodge Thumper, from Christine Williams and Richard Bartle trading as DA Williams, Lodge Hill Farm, Park Lane, Shifnal, Shropshire, was the first son offered at sale by Nouvelle Prospect a son of Wilson Jupiter out of Hartside Dream.
brewed Old Thumper within reach of American palates.
ROUND TWO: Slugger May dodges a left to the chin as Thumper promises four extra bank holidays.
If we had another Thumper she might look and feel like the original but almost certainly wouldn't act like her.
McCoy then went one better for his boss Jonjo O'Neill on Thumper.
It was late in the day last Thursday when Peter's young prize bull Pedr Thumper CH28 sold for 31,000gns to Perthshire neighbours Adrian Ivory, and Meigle and Bill Bruce.
Heading the trade at 31,000gns was Pedr Thumper CH28, the 16-month junior and overall reserve championships for Peter Howells, who was making his debut 860-mile round trip to Perth from Llanybydder, Ceredigion.