HY USMLE Q #857 – Cardiopulm

A 61-year-old man comes to the physician for a 6-month history of worsening shortness of breath on exertion. He takes no medications. Blood pressure is 140/90. BMI is 35. An S3 is auscultated on cardiac examination. ECG shows left-axis deviation. Which of the following is the most likely explanation for this patient’s symptoms?

  Decreased hydrostatic pressure
  Decreased oncotic pressure
  Decreased vascular permeability
  Increased hydrostatic pressure
  Increased oncotic pressure
  Increased vascular permeability