Maybe be due to hypoglycemia. Kindly consult.

Kindly discuss for your concern

Might be because of low sugar levels

I have understood ur problem .can help u with next course of treatment and appropriate solution so that u can live ur life freely..kindly consult for medicines and further advice regarding life style changes too.

It may have been a fainting episode during exertion ie you had climbed 450 stairs and experienced it.It could be due to inner ear issue , cervical spine disorder, heart related and orthostatic where your BP drops down or hypoglycemia Any type of fainting attacks need to be evaluated Get your CBC, ECG and if required echocardiogram

Can help you, kindly provide me detailed history for proper diagnosis and further management

According to your sign and symptom you are suffering from some infection like sudden  unconscioujnes . As you know that best treatment depend on the correct diagnosis and correct diagnosis depend on the complete history of the patient so please take consultation from a doctor and give complete history of the patient so that correct diagnosis will be make and then best treatment will be start

Get a cbc tested.you may be anemic.its also possible you were hypoglycemic at that time or dehydrated.

May be due to hypoglycemia

Mostly due to middle ear issue and equilibrium problem

You're 25 so that rules a few disorders I'd rather be more concerned about some other diseases related to ear or a very common disorder these cervical lordosis or spondylitis.  If not then it could be related to bppv. Need some history and might've to recommend some diagnostic