A 32-year-old woman, G1P1, has been recovering in hospital for the past 48 hours following the Caesarean delivery of a neonate born at term. While getting up to go to the bathroom 20 minutes ago, she had abrupt onset shortness of breath. Vitals are: temperature 98.6 F, HR 100, RR 22. ECG shows sinus rhythm. An arterial blood gas is performed. Which of the following combinations of findings is most likely in this patient?
↑ CO2, ↑ pH, ↑ HCO3–
↑ CO2, ↑ pH, ↔ HCO3–
↑ CO2, ↑ pH, ↓ HCO3–
↑ CO2, ↓ pH, ↑ HCO3–
↑ CO2, ↓ pH, ↔ HCO3–
↑ CO2, ↓ pH, ↓ HCO3–
↓ CO2, ↑ pH, ↑ HCO3–
↓ CO2, ↑ pH, ↔ HCO3–
↓ CO2, ↑ pH, ↓ HCO3–
↓ CO2, ↓ pH, ↑ HCO3–
↓ CO2, ↓ pH, ↔ HCO3–
↓ CO2, ↓ pH, ↓ HCO3–
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Cut-to-the-chase Answer (0:34):
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HY USMLE Answer (2:25):
