You have a 51-year-old female patient who is complaining of a sudden onset of shortness of
breath. She is anxious and states she has some mild chest pain as well. Her VS are as follows: BP
138/72, HR 110, SpO2 91%, RR 34/minute. You have the patient on high-flow oxygen and note that
her hypoxia does not resolve. Which of the following are you suspecting the most?

Pulmonary embolism

Cardiac asthma

CHF

Emphysema