Bradycardia Physiology Stent 
Dr. Smith's ECG Blog
JANUARY 5, 2024
The ECG shows sinus bradycardia but is otherwise normal. On the combined basis of angiography and IVUS, this patient received stents to his mid RCA, proximal PDA, and OM. RCA and PDA before and after, arrows indicating stented regions. OM before and after, arrow indicating stented region. The following ECG was obtained.
EMS 12-Lead
MARCH 19, 2023
He denied any known medical history, specifically: coronary artery disease, hypertension, dyslipidemia, diabetes, heart failure, myocardial infarction, or any prior PCI/stent. Another factor to be considered, according to Chou’s textbook, is that many patients have dual AVN physiology and conduction is preferential down the fast pathway.
Dr. Smith's ECG Blog
OCTOBER 7, 2019
Both of these features make inferior + RV MI by far the most likely ( Pseudoanteroseptal MI is another name for this ) There is also sinus bradycardia and t he patient is in shock with hypotension. A narrow complex bradycardia without any P-waves is also likely to respond to atropine, as it may be a junctional rhythm.
Dr. Smith's ECG Blog
MARCH 8, 2025
Within ten minutes, she developed bradycardia, hypotension, and ST changes on monitor. Bradycardia and heart block are very common in RCA OMI. After stent deployment, we often see improvement in the ST-T within seconds or minutes. Here is the final angiogram following placement of a stent in the ostial RCA.
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