🧬 Complement System (Chapter 173)

Nelson Textbook of Pediatrics 22nd Edition — Classical, lectin, alternative pathways; membrane attack complex (MAC); complement deficiencies (C1q, C2, C3, C5-C9); infections (Neisseria, encapsulated bacteria); autoimmunity (SLE); hereditary angioedema (C1-INH); screening (CH50, AH50)

🌐 paeds.online — Pakistan's Pediatric Platform

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

📇 High‑Yield Review Cards — Complement Deficiencies & Disorders

🩺 Symptom‑Based Approach: Recognizing Complement Deficiencies

Tap any presentation for diagnostic reasoning and management pearls.

🔄 Stepwise Diagnostic & Management Algorithm for Complement Disorders

    ⚡ Clinical Reflex Prompts — Complement System

    📖 Concise Summary: Complement System & Deficiencies