In this lecture, Dr. Lorrel Brown takes time to discuss the indications, mechanics, and physiology of mechanical circulatory support. She provides a great introduction for internists to some of the most advanced ICU therapies. Dr. Lorrel Brown covers evidence and indications for various modalities like IABP (intra-aortic balloon pump), ECMO (extracorporeal membrane oxygenation), and percutaneous VAD (ventricular assist device).