Table 2.

Selected Doppler PV parameters

Doppler Pulmonary Vein Parameters
Peak S velocity, cm/s46±9
Peak D velocity, cm/s58±8
(Peak S)/(Peak D)0.79±0.16
S-wave VTI, cm12.0±2.7
D-wave VTI, cm13.5±3.2
(S-VTI)/(D-VTI)0.94±0.31
  • Values are means ± SD; n = 10 human subjects. Peak, maximum velocity of S or D wave; VTI, velocity-time integral.