Syncope is a condition associated with hypotension i.e. low blood pressure. Syncope, casually known as passing out or fainting, occurs when brain does not receive sufficient supply of blood. It is a temporary condition in which a person faints but soon recovers. Seizure is a neurological condition associated with electrical disturbance at the level of neurons in brain. In this condition, a person experiences sudden and uncontrolled body movements with fluctuating levels of consciousness.