What is the role of transthoracic echocardiography (TTE) in the diagnosis of atrial flutter (AFL)?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Transthoracic echocardiography (TTE) is the preferred initial imaging modality for evaluating atrial flutter. It can evaluate right and left atrial size, as well as the size and function of the right and left ventricles, thereby facilitating diagnosis of valvular heart disease, left ventricular hypertrophy, and pericardial disease.

TTE has low sensitivity for intra-atrial thrombi. Transesophageal echocardiography (TEE) is the preferred technique for detecting thrombus in the left atrium.

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