Coronary Anatomy: Visualizations and Variations

Cross-Sectional Views with Coronary Anatomy

Coronary Anatomy with ECG Perspective

Coronary Anatomy with Common Variants

Anterior views of the coronary arterial system, with the principal variations. The right coronary arterial tree is shown in magenta, the left in full red. In both cases posterior distribution is shown in a paler shade. A, The most common arrangement. B, A common variation in the origin of the sinuatrial nodal artery. C, An example of left ‘dominance’ by the left coronary artery, showing also an uncommon origin of the sinuatrial artery. (Text and images retrieved from:

Note: Unattributed images are of unknown provenance.

One response

  1. Coreen

    wonderful pictures. ECG anatomy extremely helpfull.

    April 14, 2013 at 12:06 pm

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