以食管超声心动图测定心排血量,非必须条件是A、心率50~100次/minB、心律规则C、血流层流D、无反流E、环形左房室瓣瓣口

作者: rantiku 人气: - 评论: 0
问题 以食管超声心动图测定心排血量,非必须条件是
选项 A、心率50~100次/min B、心律规则 C、血流层流 D、无反流 E、环形左房室瓣瓣口
答案 A
解析

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