The least diagnostic test would be an EKG (12-lead or less)
Next would be a Holter or Cardiac Event Monitor
The Most diagnostic would be an ElectroPhysiology study. The test is done by a special trained cardiologist (electrophysiologist). During the test, your heart is actually stopped and started. This test is your best guarantee of finding a "potential" dysrhythmia
Answered: Sun, 20 Dec 2009
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