The Nurse Is Reviewing the Medical Histories for a Group

The nurse is reviewing the medical histories for a group of patients.Which patients should receive prophylactic antibiotics to prevent infective endocarditis (IE) ? (Select all that apply.)

A) A 68-year-old with a history of atrial fibrillation scheduled for a root canal
B) A 55-year-old with a history of angina scheduled for arthroscopic knee surgery
C) A 76-year-old with a history of cardiac valve repair scheduled for a colonoscopy
D) A 71-year-old with a history of infective endocarditis scheduled for a tooth extraction
E) A 69-year-old with a history of congenital heart disease who is having an abscess drained
F) A 56-year-old with a history of mitral valve prolapse scheduled for routine dental cleaning