心包积液最可靠的体征是A．叩诊心界向左下扩大B．心音低钝C．叩诊示心界扩大，坐位和卧位有变化D．心尖搏动减弱E．脉压减小

作者: rantiku 人气: - 评论: 0

问题心包积液最可靠的体征是

选项 A．叩诊心界向左下扩大 B．心音低钝 C．叩诊示心界扩大，坐位和卧位有变化 D．心尖搏动减弱 E．脉压减小

答案 C

解析

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