The Physics is boring. Similarly, the Ultrasound Physics... However, to become a Sonographer, you need to know it and understand it. Yeah, and do not forget about this notorious SPI (Sonography Principles & Instrumentation) ARDMS board exam. You MUST pass it successfully in order to become a registered Sonographer, as well as Vascular Technologist. That is why I'm going to try to make this scary subject more manageable, easier to understand, and easier to learn. There will be a lot of work on your part: You will have quizzes.You will need to memorize formulas, definitions, and logical chains of principles.You will need to do some homework.However, at the end of the day, I can give you a promise: you will not be scared of Ultrasound Physics, and you will be ready to move on to taking the American Registry of Diagnostic Medical Sonography (ARDMS) SPI Exam and you will understand the magic of creating the Diagnostic Ultrasound images.At the end of the day - you save people's lives