Acute Caremiddle twist
A 68-year-old man presents with two days of rigors and right flank pain and is confused on arrival. Temperature 38.8 °C, respiratory rate 26/min, heart rate 118/min, blood pressure 86/48 mmHg. Two large-bore cannulas are inserted, blood cultures are drawn and 1 L of sodium chloride 0.9% is given, after which the systolic pressure rises to 104 mmHg. The venous lactate is 3.6 mmol/L and the creatinine is rising. Forty minutes have elapsed since he was triaged. The surgical registrar has secured a computed tomography slot for him now. Which one of the following must be completed before he leaves the resuscitation bay?