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Case 1

Educational resources for renal medicine

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Case 1

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

 

Question 1

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

 

 

Question 2

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
  4. Overhydration select

 
General feedback on these answers.

 

 

 
Page last modified 08.11.2011, 19:01 by Neil Turner. edrep and edren are produced by the Renal Unit at the Royal Infirmary of Edinburgh and Univ. Edinburgh. CAUTIONS and Contact us. Note that the information published here is primarily intended for education, not for clinical care.