In this video we discuss what ascites is, and the list the many different underlying medical problems (like heart failure, cancer, and low protein levels) that can cause ascites. We discuss the  diagnostic tests that are needed to investigate the undelrying cause, and what therapeutic abdominocentesis involves. We also discuss what to do if you notice that your pet has a distended abdomen (this could be an emergency), and provide other tips to ensure that your pet receives medical care in a timely manner, before it is too late.