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Abdallah Othman: Arterial Blood Supply of the Cardiac Conduction System
Abdallah Othman/LinkedIn
Mar 13, 2026, 12:18

Abdallah Othman: Arterial Blood Supply of the Cardiac Conduction System

Abdallah Othman, District Manager at Mash premiere, shared a post on LinkedIn:

“Arterial Blood Supply of the Cardiac Conduction System

The cardiac conduction system fails in specific, predictable patterns dictated by its vascular anatomy.

  • SA node (RCA or LCx) and AV node (∼90% RCA) leading to bradycardia or block in inferior MI.
  • His bundle has dual supply (LAD and RCA).
  • RBB and left anterior fascicle (LAD dependent) leading to RBBB and LAFB in anterior MI.
  • Left posterior fascicle (LAD and RCA) is the most resistant.

Understanding this anatomy allows anticipation of conduction deficits in acute coronary syndromes.”

Proceed to the video attached to the post.

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Abdallah Othman Acute coronary syndrome Cardiac Conduction System Cardiovascular Health Hematology Hemostasis Hemostasis News Hemostasis Today Medicine Myocardial infarction
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