英语语法分析

The MPAP, RVSP, RVDP were determined by modified rig ht heart catheterization in group A.

A 组采用改良的右心导管测定法测定肺动脉平均压、右心室收缩压、右心室舒张压。

When a urethral injury is suspected, a retrograde urethrogram should be completed before catheterization is performed.

当怀疑有尿道损伤，在行导尿术之前，应先行逆行尿道造影。

You are going to have urine catheterization now.

现在您需要导尿。