Audio Qbank – Q254 – A 62M with chest pain

 

A 62-year-old man is brought to emergency for a two-hour history of chest pain. Vitals are: temperature 99.0F, HR 115, RR 20, BP 85/60. Pulse oximetry on room air is 87%. Crackles are heard bilaterally on chest auscultation. The patient’s ECG is shown.

Which of the following is most likely to be reduced in this patient?

Arteriolar lactate
Pulmonary vascular resistance
Renin release
Systemic vascular resistance
Venous oxygen tension