A 3 month old girl is brought to your Emergency department after 3 days of diarrhoea and vomiting. She is unwell, lethargic, has sunken eyes, a sunken fontanelle and dry mucous membranes.
Describe and interpret her biochemical results
Veonus blood gas
FiO2 50 %
pH 7.12 (7.36-7.44)
pCO2 12 (35-45mmHg)
pO2 103 mmHg
O2 saturation 98%
base excess -25 (-3-+3)
bicarbonate 4 (24-32mmol/l)
Lactate 3.6 ( 0.5-2.0 mmol/l)
Electyrolytes
sodium 155 (135-145 mmol/l)
potassium 3.0 (3.5-4.8mmol/l)
Chloride 136 (95-110 mmol/l)
Urea 15.4 (3-8 mmol/l)
Creat 45 (50-120 mmol/l)
Glucose 6.1 (3-6 mmol/l)
This one is from the fellowship exam of a few years ago.