A mother brings in her 5-year-old son for a severe sore throat. Examination shows an erythematous pharynx with white tonsillar exudates (see image).
Which of the following statements is correct?
- Concomitant rhinorrhea and cough support a diagnosis of pharyngitis due to mycoplasma
- A negative RST test indicates a low risk for rheumatic fever
- Bacterial pharyngitis due to group A betahemolytic streptococcus (GABHS) peaks in the 2-5 year old age group.
- A positive rapid strep test (RST) is considered a reliable indication for the presence of group A betahemolytic streptococcus in the pharynx
- Exudate in the pharynx points to a bacterial rather than viral pharyngitis
This question appears in Med-Challenger Pediatric Medicine Review with CME
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