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Why might I need an electrophysiology study?

An electrophysiological (EP) study, an invasive procedure that tests the heart's electrical system, may be performed for the following reasons:
  • To evaluate a symptomatic patient (a patient having dizziness, fainting, weakness, palpitation, or other symptoms) for a rhythm problem when other noninvasive tests have been inconclusive
  • To locate the source of a rhythm problem
  • To assess the effectiveness of medication(s) given to treat a rhythm problem
  • To evaluate the effectiveness of a pacemaker
  • There may be other reasons for your physician to recommend an electrophysiological study.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.