CFL was plotted in each case. Some difference was observed between ASD and VSD. The features of ASD were (1) symmetrical CFL, (2) positive peak of CFL shifting to right and (3) positive relationship between RVSP and ventricular ejection time.

• 获得了ASD、VSD的右心CFL,并发现在B组中ASD与VSD的CFL各具特点,ASD的CFL环体上下对称,环正峰值较VSD右移,VET随着RVSP升高而逐渐延长;