An ABG analysis shows, pH 7.2, raised pCO2 decreased HCO3– diagnosis is –
Correct Answer: Respiratory and metabolic acidosis
Description: Information provided in the question
pH → decreased (N → 7.4)
PCO2 → Increased.
HCO3- → Decreased
First step
Decreased pH indicates acidosis
Second step
Inspect the HCO3- /CO2 to determine the cause of acidosis.
Both the abnormalities are in sync with the change in pH.
This suggests that compensatory response has not occurred.
This suggests that there must be some other abnormality besides the primary abnormality, which does not allow the compensatory response.
This is a case of mixed acid-base disorder where both respiratory and metabolic acidosis coexists together.
This can also be confirmed by looking at the /CO2 ratio which moves in the opposite direction
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now