Remove 2012 Remove Arrhythmia Remove Atrial Flutter
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Syncope while on a treadmill

Dr. Smith's ECG Blog

To me, it was clearly atrial flutter with 1:1 conduction. The rate of 280 is just right for atrial flutter. The waves look like atrial flutter waves, NOT like a wide ventricular complex. Reverted to atrial fibrillation with RVR while in the hospital 3 times and needed cardioversion.

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ECG Blog #368 — Why So Fast?

Ken Grauer, MD

What is unusual about this arrhythmia? Doing so suggests that the R-R interval of this exceedingly rapid arrhythmia is just a tiny amount over 1 large box — which corresponds to a ventricular rate just under 300/minute ( ie, between 290-300/minute ). PEARL # 3: Atrial Flutter with 1:1 AV conduction is rare!

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