PPV对心源性肺水肿的患者十分有益，因它可减少前负荷和后负荷。

PPV is very helpful in patients with cardiogenic pulmonary edema, as it helps to reduce preload and afterload.

youdao

PPV对心源性肺水肿的患者十分有益，因它可减少前负荷和后负荷。

PPV is very helpful in patients with cardiogenic pulmonary edema, as it helps to reduce preload and afterload.

youdao