AFIB 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 ). Among the fast Supraventricular Rhythms: This is not AFib — because the rhythm is regular.
Dr. Smith's ECG Blog
SEPTEMBER 18, 2024
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.
Dr. Smith's ECG Blog
JULY 5, 2024
A fully upright P-wave is typical atrial activity of atrial flutter as seen in V1. See these example cases of upright P-waves: Case Continued Thus, I was all but certain that this was atrial flutter. IV Digoxin may begin to slow the ventricular response of AFib or AFlutter sooner than many clinicians realize.
Dr. Smith's ECG Blog
MARCH 28, 2024
male with pertinent past medical history including Atrial fibrillation, atrial flutter, cardiomyopathy, Pulmonary Embolism, and hypertension presented to the Emergency Department via ambulance for respiratory distress and tachycardia. Now you CAN on occasion see PVCs during reentry SVTs that do not convert the SVT.
Dr. Smith's ECG Blog
DECEMBER 16, 2018
Instead, the rate of 150, plus the history of AF, suggested atrial flutter. A close inspection of lead II showed P or flutter waves at a rate of about 300 bpm, also supporting atrial flutter. There appear to be flutter waves at a rate of 300. Flecainide encourages new atrial flutter.
Dr. Smith's ECG Blog
NOVEMBER 26, 2018
The rhythm differential for narrow, regular, and tachycardic is sinus rhythm, SVT (encompassing AVNRT, AVRT, atrial tach, etc), and atrial flutter (another supraventricular rhythm which is usually considered separately from SVTs). Therefore this patient is either in some form of SVT or atrial flutter. If so, why?
ECG Cases
FEBRUARY 28, 2022
Jesse McLaren explains his AFIB mnemonic for approach to atrial fibrillation that involves 4 questions: 1. Is it atrial fibrillation? If it is atrial fibrillation and there is rapid ventricular response, is it fast from a secondary cause? Does the patient need an anticoagulant started in the ED?
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