RESUMEN
To evaluate intermediate lesions by Intravascular ultrasound [IVUS] for its severity. Design: Observational study. Place and duration of study: Patients undergoing coronary angiography at catheterization laboratory, National Institute of Cardiovascular Diseases Karachi, in the period between 01-01-2000 to 15-03-2001. Seventeen patients with intermediate coronary artery lesions with interobserver discrepancy underwent IVUS study. Out of seventeen patients with intermediate lesions, 70% had LAD [Left Anterier Descending] Lesions 24% had RCA [Right Coronary Artery] and 6% had Cx [Left Circumflex Artery] lesion. IVUS showed severe lesion in all the patients. IVUS revealed that intermediate lesions visualized by coronary angiography had severe lesions