| syncope | <clinical sign> A temporary suspension of consciousness due to generalised cerebral ischaemia, a faint or swoon. (19 Jan 1998) |
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| syncope, vasovagal | A transient vascular and neurogenic reaction marked by pallor, nausea, sweating, bradycardia, and rapid fall in arterial blood pressure which, when below a critical level, results in loss of consciousness and characteristic electroencephalographic changes. It is most often evoked by emotional stress associated with fear or pain. It is also called vasovagal attack and gowers' syndrome. (12 Dec 1998) |
| tussive syncope | Fainting as a result of a coughing spell, caused by persistent increased intrathoracic pressure diminishing venous return to the heart, thus lowering cardiac output; most often occurs in heavy-set male smokers who have chronic bronchitis. Synonym: Charcot's vertigo, laryngeal vertigo. (05 Mar 2000) |
| laryngeal syncope | A paroxysmal neurosis characterised by attacks of coughing, with unusual sensations, as of tickling, in the throat, followed by a brief period of unconsciousness. (05 Mar 2000) |
| local syncope | Limited numbness in a part, especially of the fingers; one of the symptoms, usually associated with local asphyxia, of Raynaud's disease. (05 Mar 2000) |