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tachycardia

[tak-i-kahr-dee-uh] /ˌtæk ɪˈkɑr di ə/
noun, Medicine/Medical.
1.
excessively rapid heartbeat.
Origin of tachycardia
1885-1890
First recorded in 1885-90; tachy- + -cardia
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for tachycardia

tachycardia

/ˌtækɪˈkɑːdɪə/
noun
1.
(pathol) abnormally rapid beating of the heart, esp over 100 beats per minute Compare bradycardia
Derived Forms
tachycardiac (ˌtækɪˈkɑːdɪˌæk) adjective
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
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Word Origin and History for tachycardia
n.

1868, Modern Latin, coined 1867 by German-born physician Hermann Lebert (1813-1878) from tachy- "swift" + kardia "heart" (see cardiac).

Online Etymology Dictionary, © 2010 Douglas Harper
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tachycardia in Medicine

tachycardia tach·y·car·di·a (tāk'ĭ-kär'dē-ə)
n.
A rapid heart rate, especially one above 100 beats per minute in an adult. Also called tachyrhythmia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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