Enhance your imaging skills with the latest sonographic technologies and prepare for the ARDMS SPI certification exam! Kremkau's Sonography Principles and Instruments, 11th Edition, explains how diagnostic ultrasound works and covers the essentials of ultrasound physics and instrumentation, including Doppler imaging, artifacts, safety, and quality assurance. More than 1,300 illustrations include ultrasound scans, helping to demonstrate imaging anatomy, motion, and flow. In simplifying complicated concepts, Kremkau's succeeds where other texts do not. With the right blend of imaging fundamentals, current techniques, and exam practice questions, this book is ideal for both students and experienced practitioners.