Bradycardia Exercise Ischemia 
Dr. Smith's ECG Blog
FEBRUARY 23, 2023
After the heart rate increased slightly, here was the repeat ECG: Sinus bradycardia, only slightly faster rate than prior. Learning Points: Ectopic atrial rhythm can produce atrial repolarization findings that can be confused for acute ischemia, STEMI, or OMI. is not known form the information we were provided.
Dr. Smith's ECG Blog
MARCH 15, 2023
Whereas at low to moderate degrees of exercise, the risk of developing AFib in younger athletic individuals is reduced — there appears to be a “threshold” for exercise intensity with longterm endurance training, beyond which the risk of developing AFib paradoxically increases!
EMS 12-Lead
JUNE 1, 2022
Such findings would normally suggest primary ischemia with concomitant surveillance of coronary occlusion, but these ST/T changes might very well be secondary to the Escape mechanism at hand. Lead V2 shows RR’ QRS configuration, and although ST depression is otherwise expected here, the discordance is a bit excessive.
Ken Grauer, MD
OCTOBER 4, 2024
To improve visualization — I've digitized the original ECG using PMcardio ) MY Thoughts on the ECG in Figure-1: This is a challenging tracing to interpret — because there is marked bradycardia with an irregular rhythm and a change in QRS morphology. Figure-1: The initial ECG in today's case. ( The QRS complex is wide ( ie, >0.10
Dr. Smith's ECG Blog
FEBRUARY 6, 2025
Previously healthy, taking no medication and exercising regularly. No anginal symptoms asymptomatic during physical exercise. That said there were no clinical symptoms or ECG findings suggestive of ongoing ischemia. Below in Figure-1 is this patient's admission ECG. How will you manage this patient? No PVCs are seen.
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