despite increase of coronary sinus pressure from a control value of 2 mm hg +/- 1 to levels of 19 mm hg +/- 1 and 34 mm hg +/- 1 , no significant changes were observed in right atrial , left atrial , or aortic mean pressure or rate of rise of left ventricular pressure .
C0456944
coronary sinus
C0225844
right atrial