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Coronary Artery Anomalies of Intrinsic Arterial Anatomy

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Course Details

Credit/contact hours: .25
Estimated time to complete: 15 Minutes
Publication Date: May 14, 2021
Expiration date: May 13, 2024

Description:

A major group of coronary anomalies includes anomalies of intrinsic coronary arterial anatomy. These consist of congenital ectasia or aneurysmal dilation of the artery, absence or hypoplasia of an artery, intramyocardial segments or myocardial “bridge,” and anomalous distributions. Multiple forms of anomalies of distribution have been described. These are generally considered benign and their major significance lies in the fact that they may result in peculiar wall motion abnormalities or unusual electrocardiographic findings when involved in an acute myocardial infarction. For instance, the posterior descending artery may originate from the left anterior descending artery and thus, acute occlusion of the LAD may result in inferior ST-segment elevation in addition to anterior ST elevation and lead to wall motion abnormalities in the inferior wall as well as the anterior segments. Patients with ectopic origin of the first septal perforator from the right coronary artery may have a septal infarction pattern on ECG despite a right coronary occlusion.

You Will Learn

  • To describe the findings and significance of coronary artery bridges
  • To identify and assess clinical significance of coronary artery fistulas
  • To recognize normal variants of coronary artery course and distribution

Method and medium:

Learners participate in the interactive learning modules by correctly answering multiple choice questions dispersed throughout. Learners will be prompted to try again, if a question is answered incorrectly.The course will open in a new tab - to exit the course, simply close the tab.

Michael Ragosta III, MD

Dr. Michael Ragosta is an attending cardiologist at the University of Virginia Health System with a sub-specialty in interventional cardiology. His clinical practice includes complex percutaneous coronary intervention, myocardial infarction, valvular heart disease, structural heart disease, and general cardiology. Dr. Ragosta is the Director of the Cardiac Catheterization Laboratories at UVA and author of numerous textbooks related to cardiac catheterization and hemodynamic interpretation.

DISCLOSURE: This individual reports no relevant financial relationships with commercial entities.

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