With the market-leading Sonography Principles and Instruments, 9th Edition, you’ll learn how diagnostic ultrasonography works and how to correctly handle artefacts, scan safely, evaluate equipment performance, and prepare for registry examinations. It covers the fundamentals of ultrasound physics and instruments, such as Doppler, artefacts, safety, quality assurance, and the latest technologies, in a dynamic, highly visual manner that allows for quick examination of crucial information. Unlike other texts, Dr. Kremkau employs lengthy exam questions, over 1,000 high-quality pictures, and only the most basic equations to explain hard ideas, resulting in a highly respected reference for sonography students and professionals.