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. Author manuscript; available in PMC: 2014 Jan 28.
Published in final edited form as: J Cardiovasc Electrophysiol. 2009 Jan 16;20(3):352–358. doi: 10.1111/j.1540-8167.2008.01407.x

TABLE 3.

Evaluation of Suspected POTS

Routine Evaluation of POTS

  1. HUT

  2. Plasma catecholamines, supine, and standing

  3. 24-hour urinary sodium

  4. ECG

Additional Tests

  1. Autonomic reflex screen

  2. Thermoregulatory sweat test

  3. Ganglionic antibody

  4. Exercise testing

  5. Cardiac echo and Holter monitor