查体时发现病人心尖区舒张期隆隆样杂音;胸片示左房稍大,病人无症状。诊断为风湿性心瓣膜病二尖瓣狭窄。此时病理生理改变属哪期A.左房失代偿期B.左房代偿期...

作者: rantiku 人气: - 评论: 0
问题 查体时发现病人心尖区舒张期隆隆样杂音;胸片示左房稍大,病人无症状。诊断为风湿性心瓣膜病二尖瓣狭窄。此时病理生理改变属哪期
选项 A.左房失代偿期 B.左房代偿期 C.肺动脉高压期 D.右心受累期 E.左室代偿期
答案 B
解析 :患者无临床症状,左心房发生代偿性扩张及肥厚以增强心肌收缩,增加瓣口血流量,以延缓左房平均压力增高,病理改变为代偿期。
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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
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