Have Medical Questions? Ask a Doctor Online!
Thank you for your question.
Any kind of black out must be evaluated ASAP.
If you have had the blackout now you must be seen in the emergency to have this evaluated.
This could be an indication of a mini stroke or heart problem among other causes.
So yes, it could be something potentially serious which must be ruled out by doing further testing.
This session is open for any further questions that you may have. I would appreciate it if you rate me by clicking on one of the rating options at your end on the top right hand corner as that is the only way we, the experts, are credited on here for helping you out.Kindest regards