What is the role of transesophageal echocardiography (TEE) in the diagnosis of atrial fibrillation (Afib)(AF)?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Transesophageal echocardiography (TEE) is helpful for the following applications:

  • To evaluate for atrial thrombus (particularly in the left atrial appendage)

  • To guide cardioversion (if thrombus is seen, cardioversion should be delayed)

See Workup for more detail.

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