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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 ?
Her book Whump! - in which 10-year-old Bill falls 632 miles down a manhole - has now been published and serialised on Radio 4, narrated by comedian Rob Brydon.
Half an hour ago you watched him whump enough milk to keep Cleopatra in baths for a month.
In short, if you now own, say, a .22-250, you can whump up a handload for the E-rifle using the same brass you're now using; load the same powder, charge weights and bullet; and get the same velocities and pressures you'd get in your rifle.
The fluorescent green nock disappeared through his ribs with a hollow whump!
Then someone cuts you up on the approach to the ring road and whump, gusty becomes major storm and before you know it, you've told your mother that you're never speaking to her again just because she told your dad you'd gone over your overdraft limit again even though you're 31 and perfectly capable of sorting your own finances out.
So after waiting an acceptable amount of time, he turns his back and WHUMP! The babe is back, perfect timing.
The helicopter moved closer, and when it whumped over my flat the windowpane began to rattle again.
Meyerson Symphony Center, Dallas, Texas, Andrew Litton's forces come off sounding dull and bass-heavy, with occasional odd vibrations and whumps from who knows where.
No, Senator Dianne Feinstein's bill does the usual congressional thing when there's a flap involving intelligence matters: It whumps on the intelligence agencies themselves.
With trusty spade I dug his burial place, heaped earth atop him, tamped it down with satisfying whumps.
Then there was Jenni's mother, "Melissa, " who stood on an open hillside feeding on huckleberries with her latest two cubs, "Laurel" and "Hardy." Nearby a helicopter whumped the air.
That load whumps up 3,200 foot pounds of muzzle energy, enough to make it a highly effective rifle for elk and moose in heavy timber or even for the big bears at the moderate ranges they are normally taken from.