With an ever-increasing demand of this book by Postgraduate Residents, Practicing Physicians, Radiologists, Obstetricians and Gynecologists and in keeping pace with new technological advances. The purpose is to give in-depth, clear and concise knowledge about the use of color Doppler in diagnosing various diseases of almost every system of the human body, including abdomen, small parts, peripheral vascular diseases, obstetrics and gynecology and echocardiography.