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<channel><title>主动脉瓣狭窄----心血管内科</title><link>http://www.nb5656.com/index-1027-1149-444.html</link><description></description><language>UTF-8</language><copyright>Copyright 2008, Spartanburg taoyq.com</copyright><managingEditor>zjpysyh@163.com</managingEditor><item><title>主动脉瓣狭窄</title><short_title></short_title><keywords></keywords><description><![CDATA[　正常主动脉瓣口面积超过3.0cm2当瓣口面积减小为1.5cm2时为轻度狭窄；1.0cm2时为中度狭窄；＜1.0cm2时为重度狭窄主动脉瓣狭窄约占风湿性瓣膜病的1／4，男性多见，常同时伴有关闭不全和二尖瓣病变]]></description><link>http://www.nb5656.com/index-1027-1149-444.html</link><pubDate>2008-05-04</pubDate></item></channel></rss>
