Definition: A transient loss of consciousness and postural tone caused by diminished blood flow to the brain (i.e., BRAIN ISCHEMIA). Presyncope refers to the sensation of lightheadedness and loss of strength that precedes a syncopal event or accompanies an incomplete syncope. (From Adams et al., Principles of Neurology, 6th ed, pp367-9)
Synonyms (terms occurring on more labels are shown first): syncope, faintness, fainting, Disorders Syncope, syncopes, s yncope, Fainting Syncope, Fainting episodes
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