A 32 year-old male comes to your office inquiring about antibiotic prophylaxis for endocarditis before a dental procedure. He reports a history of repaired congenital cyanosis heart disease when he was 5 years-old. He has been asymptomatic since his surgery. He is allergic to penicillins. Physical examination is unremarkable. What would be the best advice to this patient concerning antibiotic prophylaxis?
Of the following, which is the most common predisposing condition for infective endocarditis in developing nations?
A 54 year-old male comes to the emergency room with fever, chills, weakness, chest pain and abdominal pain. He does not report shortness of breath or abdominal bloating or swelling in the legs, ankles and feet or weight loss or cough or headaches or weakness in extremities. Auscultation of lungs and heart is normal. He has no murmurs. His chest radiograph is normal but echocardiogram shows vegetations on the mitral valve. Blood cultures show predominance of streptococcus bovis bacteria. After initial endocarditis treatment, this patient should undergo which of the following evaluations?
A 34 year-old female comes to the emergency room with fever, chills, productive cough and dizziness. She is a known intravenous drug user with multiple visits to the emergency room in previous months. Her echocardiogram shows multiple vegetations over the tricuspid valve. One medical student who examined her told you that she felt Osler nodes in the physical examination of this patient. Of the following, which is the correct description of the Osler nodes?
Which is the most commonly affected heart valve in endocarditis in patients who are injection drug users?
