Chronic dyspnea, suspected chronic thromboembolic pulmonary hypertension
Recommended: V/Q scan first (sensitive); CTPA + right heart cath confirm is the preferred imaging study for chronic dyspnea, suspected chronic thromboembolic pulmonary hypertension. Mismatched perfusion defects on V/Q.
Recommended study
V/Q scan first (sensitive); CTPA + right heart cath confirm
Mismatched perfusion defects on V/Q. CTPA shows webs, intimal thickening, mosaic perfusion.