How is syncope diagnosed?

Updated: Jan 13, 2017
  • Author: Rumm Morag, MD, FACEP; Chief Editor: Erik D Schraga, MD  more...
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History and physical examination are the most specific and sensitive ways to evaluate syncope. [1] The diagnosis is achieved with a thorough history and physical examination in 50-85% of patients. No single laboratory test has greater diagnostic efficacy. The 2007 American College of Emergency Physicians (ACEP) Clinical Policy on Syncope listed history, physical examination, and 12-lead electrocardiography (ECG) as their only current level A recommendations. [2]

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