BASIC PRINCIPLES and VALIDATION Introduction and Synopsis of Intravascular Ultrasound Imaging. Basic Principles of Intravascular Ultrasound Imaging. Coronary Anatomy and Pathology: What the Angiogram Does Not Reveal. What the Angiogram Does Not Reveal About Atherosclerosis Morphology, Progression, And Regression. Morphologic Characterization of Human Coronary Atherosclerosis By High-Frequency Intravascular Ultrasound. Validation of Intravascular Ultrasound Images. Quantitative Assessment of Coronary Dimensions, Lumen Shape, And Wall Morphology By Intravascular Ultrasound. Tissue Characterization in Intra-Arterial Ultrasound: Potential Methods and Clinical Implications ASSOCIATED TECHNOLOGIES Intracoronary Flow Velocity: Current Techniques and Clinical Applications of Dopple Catheter Methods. Percutaneous Coronary Angioscopy. Tissue Ablation with Catheter-Delivered Ultrasound. Ultraousnd-Guided Laser Atherectomy. Three-Dimensional Reconstruction of Intravascular Ultrasound Images CLINICAL APPLICATIONS Intravsacular Ultrasound Guidance During Atherectomy. Coronary Imaging and Angioplasty with an Electronic Array Catheter System. Clinical Experience with Intravascular Ultrasound as an Adjunct to Percutaneous Revascularization. Intravascular Ultrasound Imaging Following Coronary Angioplasty. Intrasvascular Ultrasound Examination of Coronary Stents. Intracardiac Ultrasound Imaging: Rationale, Current Developments, And Future Directions. Applications of Intravascular Scanning in Congenital Heart Disease Index