Patients referred for cardiac catheterization for hemodynamic evaluation due to concern for pulmonary hypertension
Structurally normal heart
You may not be if
Pulmonary hypertension secondary to pulmonary venous hypertension defined as pulmonary capillary wedge pressure of more than or equal to 15mmHg
Pulmonary hypertension secondary to mixed pulmonary arterial and venous hypertension
Patient will be excluded from performing an MRI if they have:
claustrophobia, metal implants or allergy to contrast
Patients will be excluded from performing a cardiopulmonary exercise test (CPET) if they are: 1) less than 8 years or 2) unable to follow instructions to run on a treadmill.
