Vertigo :
Vertigo is loss of consciousness for a short period of time.The most common cause of vertigo is due to blockage of carotid vessels which obstruct the blood flow to the brain.Some of the other causes which results vertigo are : multiple sclerosis , stroke , certain medications , tumours , migraine ,seizures and also an underlying coronary artery disease.Recurrent vertigo should not neglected and the underlying cause has to be ruled out.Some of the symptoms which a patient might experience during vertigo are : double vision , slurred speech,headache,nausea and giddiness.Diagnosis is generally made by a neurologist which includes : physical examination, carotid Doppler ,EEG ,CT and MRI.Treatment includes: oral medication , I.v antibiotics , interventions like carotid artery disease and surgery if required.