📘 Section 105.1 · Phenylalanine Metabolism Disorders

Nelson Textbook of Pediatrics 22nd Ed | Phenylketonuria (PKU), hyperphenylalaninemia, BH4 deficiency, maternal PKU. Newborn screening, dietary therapy, sapropterin, pegvaliase, and long-term neurocognitive outcomes.

🌐 paeds.online — Pakistan's Pediatric Platform

📋 30 Clinical Scenarios — Phenylalanine Disorders (FCPS level)

📇 High‑Yield Review Cards (Phenylalanine & BH4)

🩺 Symptom‑Based Approach: Suspected Hyperphenylalaninemia

Select a presentation for diagnostic clues.

📋 Stepwise Management of PKU & BH4 Deficiencies (Nelson 105.1)

    ⚡ Reflex Prompts — Clinical Decisions in Phenylalanine Disorders

    📖 Summary: Phenylalanine Metabolism Disorders — Nelson 22nd Ed