Diagnostic imaging techniques are increasingly important in veterinary medicine. Even if in the past they required a heavy investment, the truth is they are now more affordable and present in almost every vet practice. Radiography was the first technique to arrive and ultrasonography has undoubtedly come to stay. In fact, ultrasonography may provide invaluable information to confirm presumptive diagnosis if, and only if, the clinician is able to perform and identify the normal ultrasonographic appearance of organs, is familiar with variations from normal, and knows how to interpret them. The aim of this book is to provide veterinary surgeons with a visual guide to perform abdominal ultrasonographic examination in dogs, helping them disorders and assisting with the diagnosis and treatment.