✦ LIBER ✦

Anatomic variant of the posterior interventricular coronary artery: Implications for coronary angioplasty in acute myocardial infarction

✍ Scribed by On Topaz; Brian Holdaway; Nannie T. Bailey; George W. Vetrovec

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 144 KB
Volume: 10
Category: Article
ISSN: 0897-3806
DOI: 10.1002/(sici)1098-2353(1997)10:5<303::aid-ca2>3.0.co;2-r

No coin nor oath required. For personal study only.

✦ Synopsis

Acute thrombotic occlusion of an infarct-related artery is frequently found in patients presenting with myocardial infarction. In a patient with acute inferior wall myocardial infarction complicated by continuous chest pain and hemodynamic instability, emergency diagnostic coronary arteriography demonstrated a patent, infarct-related, ''pseudo'' right coronary artery while, in fact, this vessel was a rare anatomic variant of the posterior interventricular branch with very early origin from the right coronary artery and the true right coronary artery was completely occluded by a thrombotic obstruction. Accurate anatomicangiographic interpretation of the angiogram was crucial for successful performance of emergency recanalization and revascularization of the true right coronary artery with laser and balloon angioplasty. Once antegrade flow was restored another rare coronary variant was discovered, i.e., a sinoatrial node artery arising from the middle portion of the newly patent right coronary artery.

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