Difficulty: Medium
Average Score: 65%
Simulated
A child is admitted to the hospital with a suspected diagnosis of bacterial endocarditis. The child has been experiencing fever, malaise, anorexia, and a headache. Which diagnostic study will confirm the diagnosis?
Correct answer
A
Rationale
The diagnosis of bacterial endocarditis is primarily established on the basis of a positive blood culture of the organisms and the visualization of vegetation on echocardiographic studies. Other laboratory tests that may help confirm the diagnosis are an elevated sedimentation rate and the C-reactive protein level. An ECG is not usually helpful for the diagnosis of bacterial endocarditis.