NHLBI Coronary Artery Dissection Type C

**Semantic type:** Qualitative Concept

**Definition:** Extraluminal cap with persistence of contrast after dye clearance from the lumen. (Adapted from: Coronary artery angiographic changes after PTCA: Manual of Operations NHLBI PTCA Registry 1985-6:9)

**Synonyms:** - CORONARY DISSECTION NHLBI GRADE C