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fainting

fainting Fainting is a brief loss of consciousness and muscle tone caused by reduced blood flow to the brain.

Fainting is a brief loss of consciousness and muscle tone caused by reduced blood flow to the brain. It may be preceded by presyncope, a feeling of lightheadedness and weakness, or those sensations may occur without a full faint.

Also see

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Syncope” (D013575).
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Cite this entry

PsychTerms (psychterms.org), CC BY 4.0, version 1. “fainting.” Development preview.

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