Are you receiving a right heart catheterization for pulmonary hypertension? Researchers at National Jewish Health are looking at the use of 4-dimensional (4D) cardiac MRI for diagnosing and assessing severity of pulmonary hypertension. If you are 18 years of age or older, have a diagnosis of pulmonary hypertension and you are receiving a right heart catheterization as part of your clinical care, then you may qualify! This study involves just one visit and includes a 15 minute ride on a stationary bicycle following right heart catheterization, and a 4D cardiac MRI. Please call Valerie Snyder at 303.270.2591 for more information and to see if you qualify.