A sudden cessation of cerebral blood flow of — seconds causes syncope:
a) 3-4 seconds
b) 6-8 seconds
c) 10-12 seconds
d) 14-18 seconds
Cerebral blood flow cessation time and syncope – Cardiology MCQ
A sudden cessation of cerebral blood flow of — seconds causes syncope:
a) 3-4 seconds
b) 6-8 seconds
c) 10-12 seconds
d) 14-18 seconds