🧬 Complement Pathway Deficiencies (Chapter 173.2)

Nelson Textbook of Pediatrics 22nd Edition — Classical pathway (C1q, C2, C4) → SLE & infections; Alternative pathway (properdin, factor D) → Neisseria; Terminal pathway (C5-C9) → Neisseria; Regulatory defects (C1-INH → HAE; factor H/I/MCP → aHUS); CH50/AH50 screening

🌐 paeds.online — Pakistan's Pediatric Platform

📋 30 High‑Yield Clinical Scenarios — Complement Pathway Deficiencies (FCPS Standard)

📇 High‑Yield Review Cards — Complement Pathway Deficiencies

🩺 Symptom‑Based Approach: Recognizing Complement Deficiencies

Tap any presentation for diagnostic reasoning and management pearls.

🔄 Stepwise Diagnostic & Management Algorithm for Complement Deficiencies

    ⚡ Clinical Reflex Prompts — Complement Pathway Deficiencies

    📖 Concise Summary: Complement Pathway Deficiencies