🧬 X‑Linked Agammaglobulinemia (XLA, Bruton Disease)

Nelson Textbook of Pediatrics 22nd Edition — Chapter 166.1 | BTK gene mutation, absent B cells, profound hypogammaglobulinemia, recurrent sinopulmonary infections, enteroviral encephalitis, neutropenia, IVIG replacement

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📋 30 High‑Yield Clinical Scenarios — X‑Linked Agammaglobulinemia (FCPS Standard)

📇 High‑Yield Review Cards — XLA (Bruton Agammaglobulinemia)

🩺 Symptom‑Based Approach: Recognizing XLA

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🔄 Stepwise Diagnostic & Management Algorithm for XLA

    ⚡ Clinical Reflex Prompts — XLA (Bruton)

    📖 Concise Summary: X‑Linked Agammaglobulinemia (Bruton Disease)