Brief Answer:
Possible stroke or TIA. More investigations needed.

Detailed Answer:
I read your question carefully and I understand your concern.

To be honest I am not sure I am comfortable with how they seem to have run things either. The primary hypothesis is indeed a clot in the brain blocking a blood vessel which if blockage persists causes damage to a brain area, an ischemic lesion. At times it can be fragmented and the vessel is unblocked with the situation returning to normal. That is a transient ischemic attack.

The CT scan should have been done. However if situation is back to normal it probably wouldn't show anything at all. In advanced centers where MRI is available 24h a day, on an emergency basis, that would be the best exam as it can unveil small ischemic lesions even when the situation is back to normal, lesions the CT can miss. However that depends where you live, not all hospitals and areas have such facilities so can't blame the ER if that is the case.

However, whether it is a transient event or there is some ischemic lesion the most important thing is to try to find the cause and prevent it from happening again with more serious consequences. The most common origins are either from the heart or from atherosclerotic plaques of the neck vessels. Given your husbands young age and if he has no other conditions or family history for atherosclerosis I would consider the latter not likely and a cardiac cause be considered first.

So bottom line, even if he's back to normal the matter should be looked into, so you should take it with your primary physician so that some exams may be done such as blood tests, heart ultrasound, neck vessels ultrasound, MRI scheduling etc. At times even after everything has been done in 25% of patients no cause is found, but that can be said only after complete evaluation.

I remain at your disposal for further questions.

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