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Coronary Collaterals

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Course Details

Credit/contact hours: .25
Estimated time to complete: 20 Minutes
Publication Date: February 15, 2022
Expiration date: February 15, 2025
Reviewed:

Description:

Coronary collaterals are congenitally established channels connecting the epicardial coronary arteries. They vary in size from 20 to 350 microns and thus, many are smaller than the 100 micron imaging resolution of coronary angiography. Collateral channels exist in normal patients but increase in size and number when there is chronic coronary artery disease. In this lesson, we will discuss the clinical significance of coronary collaterals as they relate to patients with coronary heart disease.

You Will Learn

  • To describe the anatomic substrate of coronary collaterals
  • To explain the various techniques for assessing coronary collaterals
  • To recognize the common angiographic appearance of collaterals

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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