Coronary angiography irregular lesion
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]; Hilda Mahmoudi M.D., M.P.H.[3]
Overview
Coronary artery lesion irregularity is assessed visually using a well defined grading system:
Grade 0: Smooth – no irregularity.
Grade 1: Mildly Irregular – lesion has an indistinct lumen edge.
Grade 2: Sawtoothed/Grossly Irregular – lesion has defined jagged or “sawtoothed” lumen edges.
NOTE: The presence of an ulcer, dissection, or thrombus will also make a lesion irregular.