A patient with chronic hypercapnia is brought into the ED. the history of the present illness revealed that the patient passed out at home. A pulmonary artery catheter has been placed with the following measurements obtained: PAP 25/10 mmHg BP 76/50 mmHg PCWP 4 mmHg SVR 1360 dynes CVP 0 mmHg CI 1.8L/min/m² Which of the following is the most likely cae for his condition? Option :
A. Hypovolemia
B. Drug OD
C. Cor pulmonale
D. High FIO₂ vasodilation