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A 28-year-old male asked:

What is the definition or description of: syncope?

3 doctor answers4 doctors weighed in
Dr. Rick Koch
Cardiology 22 years experience
Passing out: Or loss of consciousness.
Dr. Bennett Machanic
Neurology 52 years experience
Fainting: Syncope results from decreased blood flow to brain due to cardiac problems, hypotension, anemia, vasovagal reactions (sight of blood, foul aromas, etc), dehydration. Starts with light-headedness, narrowing and darkening of vision, malaise. Then loss of consciousness for a few seconds, and arousal without confusion but nausea, chills, sweating.
Dr. Barton Cook
Pediatric Cardiology 31 years experience
Fainting : Loss of consciousness and postural tone caused by diminished cerebral blood flow. Syncope may indicate a particular medical condition, however often it may occur in an otherwise healthy individual. It is a common problem, accounting for 3% of emergency room visits.

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Last updated Aug 21, 2016

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