Background: Children who need MR ... of them received IV midazolam 100 mcg/kg. Only 12(28%) of the midazolam group required a further dose. 47(84%) had successful sedation with good quality ...

Renal impairment: use lowest necessary dose. <2yrs: not established. ≥2yrs: IV: Contrast CT or Excretory Urography: 1–2mL/kg; max 3mL/kg. Renal impairment: use lowest necessary dose.