143.2 📚 國考版

143.2.0.1 必背 — Empirical Bacterial Meningitis

• < 50: Ceftriaxone + Vancomycin + Dexamethasone
• ≥ 50 / immune-compromised: + Ampicillin (Listeria)
• HCAI: Vanc + Cefepime/Meropenem

143.2.0.2 必背 — CSF Pattern

• Bacterial: PMN ↑↑↑, glucose ↓↓, protein ↑↑
• Viral: Lymphocytic, glucose normal
• TB / Fungal: Lymphocytic, glucose low, protein high

143.2.0.3 必背 — Listeria Risk Factors

• Age > 50
• Immunocompromised (HIV, steroid, transplant)
• Alcoholic
• Pregnant

143.2.0.4 必背 — Dexamethasone

• Pneumococcal meningitis: ✅ reduce mortality + deafness
• TB meningitis: ✅ Thwaites
• HSV encephalitis: ❌ controversial

143.2.0.5 必背 — Meningococcal Prophylaxis

• Cipro 500 mg × 1 OR Rifampin × 2 days OR Ceftriaxone 250 IM

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