Syncope (Fainting)
·
Temporary loss of consciousness
(ie up to a minute or so)
·
In physically or emotionally
stressful situations (eg sight of blood), going out with new partner or boss
·
Vasodilation from alcohol, warmth
or drugs may contribute
·
Usually standing or sitting
·
Often groggy and unwell
afterwards
· Myoclonus common (seizure like movements, vocalisations): only 10% motionless
·
Due to ¯ cerebral
blood flow:
o Postural Hypotension
o ¯Cardiac
output: arrhythmia, VT, periods of asystole (Stokes Adam disease)
·
NOT due to: TIA, hypoglycaemia,
alcohol. These take longer to recover
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