- excessively rapid heartbeat.
Origin of tachycardia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tachycardia
Consequently the convulsions, tachycardia, and coma had to be ignored.Insidekick
Jesse Franklin Bone
I afterwards had periodical attacks of intermittence but never any tachycardia, at least none that lasted more than a few seconds.
But, as I rose, I suddenly felt acute pain along the sternum; at the same time began a strong crisis of tachycardia.
In tachycardia there is an irritation of the accelerator nerves to the heart, in brachycardia of the inhibitory nerves.Psychotherapy
James J. Walsh
Bradycardia or abnormal slowness of the heart-beat, is the converse of tachycardia.
- pathol abnormally rapid beating of the heart, esp over 100 beats per minuteCompare bradycardia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for tachycardia
Online Etymology Dictionary, © 2010 Douglas Harper
- A rapid heart rate, especially one above 100 beats per minute in an adult.tachyrhythmia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.