Ramus intermedius in a left dominant circulation
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Origins: Normal Dominance: left
Left Main Coronary Artery
Left Anterior Descending (LAD): Normal.
1st diagonal branch (D1) - large vessel, normal.
D2 - small vessel, normal.
Intermediate artery (Ix): large vessel, normal.
Circumflex artery (Cx): Normal.
1st obtuse marginal branch (OM1) - small vessel, normal.
Posterior descending artery (PDA) - Normal.
Posterior left ventricular branch (PLV) - Normal.
Right Coronary Artery (RCA): Normal.
Single right sided SVC.
Normal pulmonary venous connections.Pericardium and pericardial space appears unremarkable.
Minor single focus of calcification of the left coronary sinus adjacent to but separate from the the left main origin.
No other structural cardiac abnormalities identified.Ventricular function - not performed (prospective acquisition)
No evidence of coronary atherosclerosis. Normal coronary arteries. Left dominant circulation.
Examples of common variants in coronary artery anatomy