Vertigo :
Vertigo is generally explained as spinning sensation or tumbling, imbalance giddiness, unable to stand or walk followed by nausea. There are triggering factors for vertigo which include stress, fatigue, bright lights, improper diet. Some of the medical conditions in which vertigo can be seen are : seizures , hypothyroidism, postural hypotension and migraine.Duration of the Vertigo depends on the cause,some may last for seconds and some may last for months which needs to be evaluated by a neurophysician. Common investigations performed to asses the cause of vertigo are ENG and MRI.