3/6级与4/6级收缩期杂音鉴别要点(?)A．性质是否柔和B．杂音是否粗糙C．是否传导D．是否为吹风样E．是否伴有震颤

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问题 3/6级与4/6级收缩期杂音鉴别要点(?)

选项 A．性质是否柔和 B．杂音是否粗糙 C．是否传导 D．是否为吹风样 E．是否伴有震颤

答案 E

解析

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