A road traffic accident victim had been trapped under a car for several hours. After admission his urinary output was low, despite an apparently adequate fluid intake.
These results were obtained three days after admission:
|[H+] = 50 nmol/L pH = 7.3|
|PaCO2 = 3.2 kPa|
|[HCO3] = 12 mmol/L|
The patient has? (Choose one of these then, hover over 'select' to see if you're right)
|1. Metabolic acidaemia||select|
|2. Metabolic alkalaemia||select|
|3. Respiratory acidaemia||select|
|4. Respiratory alkalaemia||select|
|5. Mixture of metabolic alkalaemia and respiratory acidaemia||select|
What is the cause of his acid disturbance? (Choose one of these then, hover over 'select' to see if you're right)
|1. Acute renal failure||select|
|2. Crush injury - rhabdomyolysis||select|
|3. Decreased respiratory efficiency||select|
General feedback on these answers.