mrcem2-1148

A 5-year-old girl is brought to the Emergency Department by her parents. For the past two days, she has had severe diarrhoea and vomiting. She has not passed urine so far today. She usually weighs 20 kg. On examination, she has sunken eyes and dry mucous membranes. She is tachycardia and tachypnoeic and has cool peripheries. Her capillary refill time is prolonged.
What volume of fluid would you administer for your initial fluid bolus?