This interdisciplinary workbook will help students, interns, and physicians gain a fundamental grasp of color duplex ultrasound scanning. It reviews normal findings, important pathologic conditions, scanning techniques, and the relative importance of color duplex scanning under a variety of headings: Basic physical and technical principles; Innovative techniques and ultrasound contrast agents (e.g., power Doppler, SieScape imaging, second-harmonic and tissue-harmonic imaging); Vascular surgery: peripheral arterial occlusive disease, venous insufficiency and thrombosis, AV fistulae, and aneurysms; Endocrinology: thyroid gland; Internal medicine: abdominal organs, lymph nodes, TIPSS; Nephrology: kidneys and renal allografts; Neurology: intra- and extracranial cerebral arteries; Cardiology: B- and M-mode imaging, cardiac anomalies, wall motion analysis; Urology: testicular torsion, tumors, erectile dysfunction; Obstetrics and gynecology: tumors, anomalies, fetal perfusion defects