3 doctors weighed in:
What could cause a person to black out for an hour?
3 doctors weighed in

Dr. Ayman Jabr
Family Medicine
1 doctor agrees
In brief: Carotid narrowing
Carotid artery stenosis and heart valves leaking and also concusion can cause it.

In brief: Carotid narrowing
Carotid artery stenosis and heart valves leaking and also concusion can cause it.
Dr. Ayman Jabr
Dr. Ayman Jabr
Thank
1 comment
Dr. Arthur Drazan
Plane crash and blackout before crash then recovery afterwrd
Get help from a real doctor now
Dr. Adam Smith
Board Certified,
13 years in practice
382K people helped
Continue
108,000 doctors available
Read more answers from doctors