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panic attack

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noun Psychiatry.
  1. an intense attack of anxiety characterized by feelings of impending doom and trembling, sweating, pounding heart, and other physical symptoms.
Also called anxiety attack.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for panic attack

panic attack

noun
  1. an episode of acute and disabling anxiety associated with such physical symptoms as hyperventilation and sweatingSee also panic disorder
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

panic attack in Medicine

panic attack

n.
  1. The sudden onset of intense anxiety, characterized by feelings of intense fear and apprehension and accompanied by palpitations, shortness of breath, sweating, and trembling.anxiety attack
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.