患者，男，19岁。患扁桃腺炎7天，感心悸，心率90 次/分，心电图示PR间期为0.24秒，应诊断为(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26316' and id < 2201568 and id<>'2201568' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26316' and id > 2201568 and id<>'2201568' order by id asc limit 5