Mar 6 • High Yield Clues
🧠 High-Yield Identification Clue
If you see:
➡️ Gram-positive cocci
➡️ Arranged in chains
➡️ From throat swab or wound
Your first thought should be:
Streptococcus species → Do a catalase test
Catalase = negative ❌ → Now you’re thinking Strep
Then check hemolysis → Beta hemolytic
Then test → PYR positive + Bacitracin sensitive
Boom → S. pyogenes
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🧠 High-Yield Identification Clue
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