Article Atrial Flutter Blog 
Ken Grauer, MD
MARCH 12, 2023
NOTE: The ECG in Figure-1 has been recorded at the usual 25mm/second speed — but with the Cabrera format ( Please see my Editorial Note near the top of the page in ECG Blog #365 for review of the basics of this recording system ). PEARL # 3: Atrial Flutter with 1:1 AV conduction is rare! ECG Blog #287 — More on AFlutter.
Dr. Smith's ECG Blog
AUGUST 23, 2017
It is atrial flutter with 2:1 conduction. There are clear flutter waves in lead II across the bottom. In V1, there are upright waves that appear to be P-waves but are not: they are atrial waves and it is typical for atrial flutter waves to be upright in V1, whereas sinus P-waves are biphasic in V1.
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. I have emphasized on many occasions in Dr. Smith's ECG Blog how AFlutter is by far (!)
Dr. Smith's ECG Blog
JULY 14, 2023
Non-randomized trials show better outcomes (neurologic survival) using this device; see this article in Resuscitation: Head and Thorax Elevation during cardiopulmonary resuscitation using circulatory adjuncts is associated with improved survival. The patient had ROSC and maintained it. First — Some thoughts on the post -resuscitation ECG.
Dr. Smith's ECG Blog
JUNE 27, 2021
If it is maximal in V1-V4, and the patient's presentation in consistent with ACS (as this certainly is), then it is DIAGNOSTIC of Occlusion with 90% specificity (We have an upcoming article that proves this). 2 months later, he presented in pulmonary edema with atrial flutter and formal echo had EF 20% Why did this happen?
Dr. Smith's ECG Blog
JANUARY 5, 2020
A deep neural network for 12-lead electrocardiogram interpretation outperforms a conventional algorithm, and its physician over-read, in the diagnosis of atrial fibrillation. M Y A NSWER: The issue of whether C omputerized E CG I nterpretations are “at fault” for an inaccurate ECG diagnosis has been addressed numerous times on this blog.
Dr. Smith's ECG Blog
MARCH 6, 2020
There is atrial activity before every QRS, but that activity has negative polarity, so it is not sinus rhythm. There are clearly no flutter waves, so it is not atrial flutter (a "macro-reentrant" atrial tachycardia) Is it AVNRT originating at the superior pole of the AV node, resulting in a retrograde P-wave before the QRS?
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