Definition of panic attack
: an episode of intense fear or apprehension that is of sudden onset
First Known Use of panic attack
Medical Definition of panic attack
: an episode of intense fear or apprehension that is of sudden onset and may occur for no apparent reason or as a reaction to an identifiable triggering stimulus (as a stressful event); specifically : one that is accompanied by usually four or more bodily or cognitive symptoms (as heart palpitations, dizziness, shortness of breath, or feelings of unreality) and that typically peaks within 10 minutes of onset
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