ENT, ear nose and throat.

CYP11A (P450 SCC), P450 oxidoreductase deficiency; CYP21, 21-hydroxylase; HSD3B2, 3β-hydroxysteroid dehydrogenase; DAX-1, dosage-sensitive sex reversal, adrenal hypoplasia congenital critical region ...

Correspondence to Dr Christopher J Kelly, Centre for the Developing Brain, School of Imaging Sciences and Biomedical Engineering, King’s College London, London SE1 7EH, UK; christopher.kelly{at}kcl.ac ...

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*The most common organic causes are highlighted. A detailed history and examination is paramount to help identify rarer causes and guide investigations appropriately.

Adapted from Current Management in Child Neurology, Third Ed 2005.

FAOD, fatty acid oxidation disorder; GH, growth hormone; GSD, glycogen storage disorder.

Musculoskeletal Unable to get up without using arms as balance Yes Unable to get up without using arms as leverage Yes ...