How is atrial flutter (AFL) diagnosed?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Answer

Electrocardiography (ECG) is essential in making the diagnosis, and can provide essential information in distinguishing "typical" from "atypical" atrial flutter. Transthoracic echocardiography (TTE) is the preferred initial imaging modality for evaluating atrial flutter.


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