A form of dysautonomia. Often abbreviated as POTS, it is an abnormal increase in heart rate upon standing. POTS is diagnosed by a tilt table test, or prolonged standing test, and a test is considered positive for POTS when an adult experience an increase in heart rate of 30 beats per minute within ten minutes of standing (or 40 bpm for an adolescent), or if the heart rate reaches 120 or above. A diagnosis also requires that a patient experiences symptoms such as lightheadedness, syncope (fainting), shakiness, fatigue, anxiety, nausea, vomiting, sweating and fatigue.
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Vertigo
Dizziness, coupled with the sensation of spinning, rocking back and forth; often causing motion sickness (nausea, vomiting). Often mistaken as Meniere’s Disease, the damage a Chiari Malformation does to the cerebellum can cause episodes of spontaneous vertigo; however, if vertigo becomes acute, signs of hydrocephalus should be ruled out.
antiemetic
A drug that treats or prevents nausea and vomiting.
