in these patients , time interval from minimum left ventricular internal dimension to mitral valve opening ( 59 +/- 25 msec ) , peak rate ( 12 +/- 4 cm/sec ) , and time to peak rate of increase in left ventricular internal dimension ( 74 +/- 34 msec ) were significantly different from normal ( 25 +/- 12 msec , 21 +/- 3 cm/sec , and 49 +/- 12 msec , respectively ; p less than .01 ) .
C0026264
mitral valve
C0225897
left ventricular