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|
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.