Hospital Medicine Cheat Sheets on Instagram: "🚨 Quick Syphilis Testing Guide: Based on latest CDC recs  Most labs use the Reverse Sequence Algorithm – easy breakdown: 1️⃣ Screen: Treponemal test (like EIA) – hunts syphilis antibodies. ❌ Negative? No syphilis. You’re good! 2️⃣ Positive? Reflex to nontreponemal test (RPR titer). • RPR can flag false positives from stuff like pregnancy, autoimmune issues, or HIV – always confirm! ✅ Positive RPR? Active infection likely! Titer (e.g., 1:32) shows a