2012 Bradycardia Pericarditis 
Dr. Smith's ECG Blog
OCTOBER 8, 2023
The rhythm is uncertain ( ie, We only see 4 beats — because the same 4 beats are repeated in limb and chest leads — but in lead II there appears to be sinus bradycardia and arrhythmia plus a P wave with a PR interval too short to conduct preceding beat #1 — therefore need for a longer period of monitoring ).
Dr. Smith's ECG Blog
JANUARY 21, 2023
This ECG shows a sinus bradycardia with a normal conduction pattern (normal PR, normal QRS, and normal QTc), normal axis, normal R-wave progression, normal voltages. Hypothermia can also produce bradycardia and J waves, with a pseudo-STEMI pattern. There is marked sinus bradycardia. What do you think? As per Drs.
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