2020 Atrial Flutter Physiology 
Ken Grauer, MD
DECEMBER 23, 2023
The other leads that most often manifest readily identifiable 2:1 atrial activity — are leads aVR , V1 and/or V2 — so I favor first checking out these 6 leads whenever looking for AFlutter. ECG #3 was obtained during treatment of this patient's AFlutter — at approximately the same time that ECG #1 was obtained.
Dr. Smith's ECG Blog
JANUARY 9, 2024
The ECG was interpreted as showing atrial flutter with 2:1 conduction. The heart rate could be compatible with that of a 2:1 conducted atrial flutter. Also, lead I could give the initial impression of showing flutter waves. The patient’s own underlying atrial rhythm is revealed at a heart rate in the mid 50s.
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