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decompensation

[dee-kom-puh n-sey-shuh n]
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noun
  1. Medicine/Medical. the inability of a diseased heart to compensate for its defect.
  2. Psychology. a loss of ability to maintain normal or appropriate psychological defenses, sometimes resulting in depression, anxiety, or delusions.
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Origin of decompensation

First recorded in 1900–05; de- + compensation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for decompensation

decompensation

noun
  1. pathol inability of an organ, esp the heart, to maintain its function due to overload caused by a disease
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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 decompensation

n.

1900, from de- + compensation.

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Online Etymology Dictionary, © 2010 Douglas Harper

decompensation in Medicine

decompensation

(dē′kŏm-pən-sāshən)
n.
  1. Failure of the heart to maintain adequate blood circulation, marked by labored breathing, engorged blood vessels, and edema.
  2. The appearance or exacerbation of a mental disorder due to failure of defense mechanisms.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.