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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Magn Reson Imaging. 2015 Aug 14;33(10):1224–1235. doi: 10.1016/j.mri.2015.08.005

Figure 3.

Figure 3

Comparison of MRI (top) and RHC (down) pressure wave forms in representative patient with PAH (Patient 3). The MRI waveform is free of the variation due to breathing in RHC, and stable, although it results from a flow wave form averaged over 20 seconds.