2012 Chest Pain Exercise 
Dr. Smith's ECG Blog
SEPTEMBER 18, 2024
Because the patient was exercising, which increases sympathetic tone, facilitating AV conduction. Why did today's patient develop AFlutter while exercising on a treadmill? Does Exercise Induce Non-Sinus Tachyarrhythmias? It is also unknown if this 60-something man had been regularly exercising over time vs being sedentary.
Ken Grauer, MD
FEBRUARY 13, 2023
The ECG in Figure-1 was obtained from an older woman — who presented with chest pain and palpitations over the previous hour. Typically — these arrhythmias are induced by exercise or intense emotional states ( ie, associated with increased catecholamine discharge ). BP = 140/90 mm Hg in association with the rhythm in Figure-1.
Dr. Smith's ECG Blog
JUNE 2, 2023
She denied chest pain and denied feeling any palpitations, even during her triage ECG: What do you think? She was given some intense exercise restrictions and offered genetic testing. Despite otherwise normal vital signs, she was appropriately triaged to the critical care area of the ED. RVEF 100 ml/m2. She received an AICD.
Dr. Smith's ECG Blog
MARCH 15, 2023
She did notice something slightly wrong subjectively, but had no palpitations, chest pain, or SOB, or any other symptom. Vagally-mediated AFib is more likely to occur at night or after meals — and less likely to occur with exercise. Her Apple Watch suddenly told her that she is in atrial fibrillation. She was on no medications.
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