posterior descending artery


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Related to posterior descending artery: left coronary artery, Anterior interventricular artery

posterior descending artery

Abbreviation: PDA
Usually (in 85% of people), a branch of the right coronary artery. It runs in the posterior interventricular groove and supplies the right ventricle and the apex of the heart.
Synonym: posterior descending coronary artery; posterior interventricular artery
See also: artery
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The ramus showed severe diffuse disease proximally, total occlusion in the obtuse marginal branch of Left Circumflex and 80% osteal disease in the Posterior Descending Artery. Ejection fraction was estimated to be about 30-35% with moderate left ventricular dysfunction.
The right coronary artery (RCA) distal landmark is the first branch of the posterolateral RCA after the origin of the posterior descending artery, regardless of the size of this branch.
It gives off a large posterior descending artery (PDA) and posterolateral branch (PLB) that directly provide retrograde collateral supply to the distal atrioventricular (A-V) circumflex.

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