主动脉瓣关闭不全换瓣术后哪项是正确的()A.急性关闭不全病人术后舒张顺应性较差B.急性关闭不全者,术后左室收缩力相对较差C.慢性重度病人,需较高的...

作者: rantiku 人气: - 评论: 0
问题 主动脉瓣关闭不全换瓣术后哪项是正确的()
选项 A.急性关闭不全病人术后舒张顺应性较差 B.急性关闭不全者,术后左室收缩力相对较差 C.慢性重度病人,需较高的左室充盈压 D.换瓣术后应选择较低的PCWP E.非窦性心律时PCWP应稍低
答案 C
解析

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