Ultrasound, also called sonography, uses sound waves to develop ultrasound images of what's going on inside the body. Aninstrument called a transducer emits high-frequency sound, inaudible to human ears, and then records the echoes as thesound waves bounce back to determine the size, shape, and consistency of soft tissues and organs. It is a quick-accesspractical handbook for the use of ultrasound in critical care and emergency department settings. This book clarifies basicconcepts and provides the hands-on guidance necessary for clinicians to arrive at better therapeutic decisions and performsafer procedures with the use of ultrasound. This book includes important chapters on ultrasound basics, ultrasoundorientation, and probe selection, machine controls, and equipment. It covers organ or system-specific proceduralapplications and approaches to the trauma patient. Drawings and photographs support the text, illustrating patientpositioning, basic views, anatomy, and common pathology. It is the perfect resource for critical care and emergencyproviders who wish to deepen their knowledge of sonography and broaden their use of ultrasound in the care of theirpatient.