Today, more than 30 percent of all imaging orders originate from the ER, and radiographic studies are often used as diagnostic tools by the EM physician. Although there are a number of texts available for the radiologist, there has not been a text that addresses the specific radiographic needs of the EM and primary care physician. Until now. Ultrasound in Ambulatory Medicine serves as a guide for physicians with no prior knowledge of ultrasound to learn the basics. It provides clear guidelines for effective use and discusses potential applications.