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Ketogenic diet

The ketogenic diet (KD) is a therapeutic diet, which has been shown to improve seizure control in patients with drug resistant epilepsy, and is used in some patients with metabolic conditions for example, glucose transporter type 1 deficiency syndrome (GLUT1) and pyruvate dehydrogenase deficiency (PDH).


The referral criteria for the EDT are:

  • Diagnosed or suspected eating disorder, disordered eating of psychological origin, or medically unexplained weight loss or other symptoms (e.g. vomiting) affecting eating behaviour
  • Age seven to 17 inclusive
  • A referral from secondary or tertiary care (paediatrics or mental health)

DMSA scan

This page explains about the DMSA scan on your child’s kidneys, what is involved and what to expect when your child comes to Great Ormond Street Hospital (GOSH) for the scan.