Cardiothoracic Imaging
Contents Anatomy Techniques Findings Cases References


Coronary arteries, Right anterior oblique (RAO) views

Coronary territories
Cardiac anatomy


Shown here are schematics of the right anterior oblique view of the coronary arteries and the myocardial segments that they supply. Note that in most individuals the right coronary artery supplies the inferior left ventricular wall through a vessel called the posterior descending artery (PDA). These individuals are identified as right dominant and represent approximately 65% of the general population. When the PDA is supplied by the left coronary artery, the individual is identified as left dominant (25% of the population). When the inferior wall is supplied partially by both right and left coronary arteries the individuals coronary pattern is identified as "co-dominant".

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Copyright 2004, Yale University School of Medicine. All rights reserved.
December 18, 2004 (PL)
version b.003