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. Author manuscript; available in PMC: 2008 May 26.
Published in final edited form as: Magn Reson Med. 2003 Jun;49(6):1056–1066. doi: 10.1002/mrm.10486

FIG. 3.

FIG. 3

a: Absolute blood pressures measured in the ascending aorta and LV cavity in a canine subject using the dual head Millar pressure catheter. Pressure transducer locations are shown in Fig. 1a. Note that only 300 ms of the total 500-ms cardiac cycle is shown. b: The transvalvular pressure differences between the transducer tips, measured with the Millar catheters (solid line), are compared with the pressure differences calculated with PC-MRI velocity data (circles). c: Absolute blood pressures measured at two locations in the descending aorta of a canine subject using the dual head Millar pressure catheter. Pressure transducer locations are shown in Fig. 1b. d: The pressure differences between the transducer tips, measured with the Millar catheters (solid line), are compared with the pressure differences calculated with PC-MRI velocity data (circles).