Sudden fainting is considered to be caused by transient cerebral ischemic attack. This is a transient cerebral hypoperfusion caused by postural hypotension, so avoid getting up too violently, and the speed should be slower. If the sudden dizziness is associated with a change in head position, it should be considered to be caused by otoliths. It is because the otolith particles in the balance receptors are dislodged and the otolith stimulates the cell membranes of the semicircular canals with the change of head position and the flow of lymphatic fluid in the inner ear. Transient dizziness with visual rotation and even nausea and vomiting in severe cases may occur, and the symptoms will not last more than a minute.