Clinically, she looks very dehydrated-dry mucous membranes, pale and has cold peripheries. Her blood pressure is 106/64.
Her blood results come back as follow:-
Sodium 130 mnol/L (normal range 135 to 145 mmol/L)
Potassium 2.8 mmol/L (normal range 3.5 to 5.1 mmol/L)
Chloride 93 mmol/L (normal range 98 to 106mmol/L)
Urea 8.2 (normal range 2.5-6.4 mmoL/L)
Creatinine 126 (normal range 62-106 μm/L)
Suggest a fluid regimen for her.
Teacher's Comment
When unsure if a patient is hypovolaemic, you can give a bolus infusion of 200ml of colloid/crystalloid. Assess the patient clinically before and 15 minutes after the bolus, until there is no further improvement in the clinical parameters.