Causes and Prevention of Heart Failure featuring Maged Azer, M.D. More Heart Failure Videos Hypertension featuring Maged Azer, M.D. Cardiologist Maged Azer, M.D. discusses hypertension as one of the risk factors for heart failure Heart & Vascular Screenings featuring Sue Henke, RN Sue Henke, RN discusses the importance of heart and vascular screenings Advances in Heart Surgery featuring Richard Gates, M.D. Dr. Richard Gates discusses bypass surgery.