An elevated antistreptolysin O titer provides evidence of a preceding group A streptococcal infection and can support the diagnosis of acute rheumatic fever when interpreted together with the appropriate clinical diagnostic criteria.
Regarding rheumatic fever the diagnostic is:
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Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.