Faint: Then nothing. No pulsatille flow. Pallor, occasionally a seizure. No brain circulation we are guessing since we really do not know, except sometimes seeing someone in hospital on monitor and observing it happen and inquiring!
Answered 7/23/2013
5k views
Lights out: When BP drops below 60mm/hg, loss of consciousness usually occurs, therefore you may still remain conscious for a few seconds after the heart stops.
Answered 6/10/2014
4.9k views
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