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

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。

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

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。

youdao