2023 Atrial Flutter Exercise 
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. Because the patient was exercising, which increases sympathetic tone, facilitating AV conduction.
Dr. Smith's ECG Blog
JULY 17, 2023
See what happens when you cardiovert sinus tach: A Relatively Narrow Complex Tachycardia at a Rate of 180. == MY Comment , by K EN G RAUER, MD ( 7/17 /2023 ): == The ECG in Figure-1 — was obtained from a 26-year who presented to the ED with throat pain and tachycardia. A Relatively Narrow Complex Tachycardia at a Rate of 180.
Dr. Smith's ECG Blog
DECEMBER 24, 2023
Atrial flutter with 2:1 conduction. The atrial flutter rate is approximately 200 bpm, with 2:1 AV conduction resulting in ventricular rate almost exactly 100 bpm. Further history revealed she had new onset atrial flutter soon after her aortic surgery, and was put on flecainide approximately 1 month ago.
Dr. Smith's ECG Blog
FEBRUARY 6, 2025
Previously healthy, taking no medication and exercising regularly. No anginal symptoms asymptomatic during physical exercise. An exercise stress test while taking the drug can be performed ensure that the QRS does not increase further at higher heart rates (ie, as a result of flecainide's use-dependence ). Van Zyl, M., &
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