Infective Endocarditis — MCQs

What is the optimal timing for administering antibiotic prophylaxis before surgery?

A child presented at 10 weeks with recurrent episode of pneumonia and failure to thrive. X-ray shows cardiomegaly & pulmonary plethora. What is the diagnosis?

A 32-year-old woman is supposed to undergo tooth extraction surgery. Physical examination is unremarkable, and she has a blood pressure of 126/84 mm Hg and regular pulse of 72/min. She takes no medications. Which of the following cardiac conditions would warrant antibiotic prophylaxis to prevent infective endocarditis in this patient?

Which of the following is a minor criterion for the diagnosis of acute rheumatic fever?

A 6-year-old with congenital heart disease presents with fever, new-onset murmur, and petechiae. Blood cultures are pending, but initial Gram stain shows Gram-positive cocci. What is the most appropriate initial intervention?

A 7 year old child with a known history of rheumatic heart disease presents with a 3 weeks history of fever with palpitations. Most likely cause is:

True about a 1-year-old child with PDA is –

Infective endocarditis is not seen in –

A 32 year old man presents with history of recurrent jaundice over the previous decade. Family gives history of the patient having episodes of facial grimacing. Which one of the following is a clinical clue to the diagnosis?

Flat vegetations in valve pockets due to deposition on previously normal valve surfaces are characteristic of: