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ECG Blog #368 — Why So Fast?

Ken Grauer, MD

PEARL # 3: Atrial Flutter with 1:1 AV conduction is rare! Since the rate of atrial activity with flutter in adults is most often very close to 300 /minute ( ie, usual range for atrial activity ~250-350/minute ) — AFlutter with 2:1 AV conduction typically results in a regular ventricular rate of ~140-160/minute.

Blog 78
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ECG Blog #391 — Asymptomatic but Irregular.

Ken Grauer, MD

Atrial fibrillation, atrial tachycardia or atrial flutter with Wenckebach conduction. A DDENDUM ( 8/19/2023 ) In the following 3 Figures — I post written summary from my ACLS-2013-ePub regarding the basics of Aberrant Conduction. See ECG Blog #253 — Reviews a case with multiple aberrantly-conducted beats. =

Blog 78
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A man in his 70s with acute chest pain and paced rhythm.

Dr. Smith's ECG Blog

LAFB, atrial flutter, anterolateral STEMI(+) OMI. 8 , 9 The most recent American College of Cardiology and American Heart Association ST-elevation myocardial infarction (STEMI) guidelines (2013) give no direction on diagnosing occlusion myocardial infarction in patients with ventricular paced rhythm.