Carbomedics (Bileaflet) 25 mm
Peak gradient:	10.3 ± 2.3 mmHg
Mean gradient:	3.6 ± 0.6 mmHg
Peak velocity:	1.3 ± 0.1 m/s
Pressure half-time:	93 ± 8 ms
Effective orifice area:	2.9 ± 0.8 cm2