Distinguishing exercise intolerance in early-stage pulmonary hypertension with invasive exercise hemodynamics: Rest VE/VCO2 and ETCO2 identify pulmonary vascular disease

Development of a PET/MRI exercise stress test for determining cardiac glucose dependence in pulmonary arterial hypertension

Pulmonary vascular distensibility with passive leg raise is comparable to exercise and predictive of clinical outcomes in pulmonary hypertension