Audio Qbank – Q86 – A 32F breathing rapidly during parturition

A 32-year-old woman at 39 weeks gestation gives birth to a healthy newborn. Ninety seconds after delivery of the placenta, she begins breathing rapidly and squirming in distress. She says she feels like she can’t breathe. Moments later, bleeding is noted from one of her catheter sites. Which of the following best reflects this patient’s arterial blood gas parameters?

 

  ↑ pCO2; ↑ pH; ↑ Bicarbonate
  ↑ pCO2; ↑ pH; ↓ Bicarbonate
  ↑ pCO2; ↑ pH;  ↔ Bicarbonate
  ↑ pCO2; ↓ pH; ↑ Bicarbonate
  ↑ pCO2; ↓ pH; ↓ Bicarbonate
  ↑ pCO2; ↔ pH; ↑ Bicarbonate
  ↑ pCO2; ↔ pH; ↓ Bicarbonate
  ↑ pCO2; ↔ pH; ↔ Bicarbonate
  ↓ pCO2; ↑ pH; ↑ Bicarbonate
  ↓ pCO2; ↑ pH; ↓ Bicarbonate
  ↓ pCO2; ↑ pH;  ↔ Bicarbonate
  ↓ pCO2; ↓ pH; ↑ Bicarbonate
  ↓ pCO2; ↓ pH; ↓ Bicarbonate
  ↓ pCO2; ↔ pH; ↑ Bicarbonate
  ↓ pCO2; ↔ pH; ↓ Bicarbonate
  ↓ pCO2; ↔ pH; ↔ Bicarbonate

 

Cut-to-the-chase Answer (0:19):
HY USMLE Answer (3:13):