有关肺动脉导管的测压价值,下列哪项不对 ( )A、当二尖瓣狭窄,慢性阻塞性肺气肿时,PCWP高于实际左心室舒张末期压力B、肺栓塞时,PCWP可正常或反...

作者: rantiku 人气: - 评论: 0
问题 有关肺动脉导管的测压价值,下列哪项不对 ( )
选项 A、当二尖瓣狭窄,慢性阻塞性肺气肿时,PCWP高于实际左心室舒张末期压力 B、肺栓塞时,PCWP可正常或反降低 C、所测压力是左房逆流经肺静脉和肺毛细血管传递的压力 D、PCWP可估计左心室功能,特别是左心室前负荷 E、当左心室和二尖瓣功能正常时,PCWP即等于左房压
答案 E
解析

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