Findings on intravascular ultrasound: plaque morphology
| Acute myocardial infarction (n=59) | Stable angina (n=50) | p Value | |
| Eccentric plaque | 30 (51%) | 24 (48%) | NS |
| Calcification | |||
| Superficial | 24 (41%) | 12 (24%) | NS |
| Deep | 22 (37%) | 18 (36%) | NS |
| Subtle dissection | 22 (37%) | 2 (4%) | < 0.001 |
| Echolucent area | 13 (31%) | 0 | < 0.001 |
| Low echoic thrombus | 9 (15%) | 0 | < 0.001 |
| Bright speckled echo material | 53 (90%) | 0 | < 0.001 |