From: Non-invasive evaluation of energy loss in the pulmonary arteries using 4D phase contrast MR measurement: a proof of concept
Control
Patient
RPA
LPA
Ave. pressure drop (mmHg/s)
−0.09
−0.04
−1.3
−0.2
Peak pressure drop (mmHg)
−0.4
−4.7
−0.8
Ave. total energy loss (mJ/s)
−2.1
−1.1
−96.9
−16.4
Net total energy loss (mJ)
−1.6
−70.3
−11.9