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Case 5

Educational resources for renal medicine

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Case 5

An elderly man was admitted as an emergency after collapsing in the street, was deeply comatose. A clinical examination showed that he had a ruptured aortic aneurysm leading to shock and circulatory failure.

Here are the patient's lab results:

  [H+] = 90 nmol/L   pH = 7.05
  PaCO2 = 7.5 kPa
  [HCO3] = 15 mmol/L


Question 1

What is his acid-base disturbance in this case? (Hover over 'select' to see if you're right)

  1. Compensated metabolic acidemia select
  2. Mixed metabolic and respiratory acidemia select
  3. Respiratory acidemia select
  4. Metabolic acidemia select

General feedback on these answers.


Page last modified 08.11.2011, 19:02 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.