Note that the guidelines on antibiotic prophylaxis have changed. Prophylaxis IS indicated in those with (valve patients highlighted): Guidelines for Antibiotic Prophylaxis in Valvular Disease [Wilson et. al. Circulation 116: 1736, 2007] Presence of a prosthetic cardiac valve or prosthetic material Previous infective endocarditis Unrepaired cyanotic congenital heart disease (including palliative shunts/conduits) Completely repaired congenital […]