Which of the following is the most appropriate investigation for a 7-year-old boy who complains of passing tea-coloured urine for the last 3 days, has a congested throat, and shows... Which of the following is the most appropriate investigation for a 7-year-old boy who complains of passing tea-coloured urine for the last 3 days, has a congested throat, and shows specific urinalysis results?
Understand the Problem
The question is asking for the most appropriate investigation for a 7-year-old boy displaying specific symptoms and lab results indicative of a certain medical condition. We need to identify which diagnostic test among the options provided would be most suitable for further evaluation.
Answer
Antistreptolysin O (ASO) titer
The most appropriate investigation is 'Antistreptolysin O (ASO) titer'.
Answer for screen readers
The most appropriate investigation is 'Antistreptolysin O (ASO) titer'.
More Information
The tea-colored urine, congested throat, and specific urinalysis results suggest post-streptococcal glomerulonephritis. ASO titer helps confirm a preceding streptococcal infection.
Tips
A common mistake is not considering the full clinical picture and missing the link to a previous streptococcal infection.
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