In which of the following condition does an ABG analysis show: pH 7.2,| PaC02, |HC03:
Correct Answer: Respiratory and metabolic acidosis
Description: The ABG analysis given in the question points to a mixed acid-base disorder, Respiratory acidosis-Metabolic acidosis. In this condition there is a high or normal anion-gap metabolic acidosis; prevailing PaCO2 above predicted value. This is seen in conditions like severe pnuemonia, pulmonary edema. The given Blood Gas analysis profile cannot be explained by either metabolic or respiratory alkalosis alone, even with or without compensation. Ref: Renal and Electrolyte Disorder By Robe.W.Schrier, Page 133 ; Harrison's Internal Medicine, 18th Edition, Pages 364, 371, 372
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