An 8-year-old boy with a history of chest infections and failure to pass meconium at birth is brought to the GP by his mother because of a two-day history of fever and right-sided chest pain. He is at the 10th percentile for height and the 5th percentile for weight. Vitals are: temperature 103.1F, HR 76, RR 18, BP 112/72. Which of the following is the most likely causal organism?
Coagulase-negative gram-positive coccus
Coagulase-positive gram-positive coccus
Optochin-sensitive gram-positive coccus
Oxidase-negative gram-negative rod
Oxidase-positive gram-negative rod
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Cut-to-the-chase Answer (0:46):
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HY USMLE Answer (2:29):
