Other: Pulmonary Index of Microcirculatory Resistance
PIMR measurement involves placing a coronary pressure wire in the pulmonary arteries and making pressure/time measurements during maximal flow down the artery. PIMR of the right and left pulmonary arteries will be obtained.Other Name: PIMR
Other: Right Ventricle Index of Microcirculatory Resistance
RV-IMR measurement involves placing a coronary pressure wire in the acute marginal branch of the right coronary artery and making pressure/time measurements during maximal flow down the artery.
Other Name: RV-IMR
Other: Pulmonary artery OCT
OCT of the pulmonary artery involves advancing an OCT catheter over the pressure wire to image the pulmonary artery. OCT of the right and left pulmonary arteries will be performed.
Source: View full study details on ClinicalTrials.gov
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