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预激综合征在临床上并非罕见,典型的预激综合征依其临床特点:(1)P—R间期缩短至0.10～0.12秒以下;(2)QRS波延长至0.12秒以上,并在QRS的初始部分有△波;(3)P—J间期正常(在0.27秒以内);(4)患者往往有阵发性心动过速史。诊断多无困难。
Pre-excitation syndrome is not uncommon in clinic. The typical WPW syndrome is characterized by its clinical features: (1) the P-R interval is shortened to below 0.10 to 0.12 seconds; (2) the QRS wave is extended to above 0.12 seconds and QRS initial part of the △ wave; (3) P-J interval is normal (within 0.27 seconds); (4) patients often have a history of paroxysmal tachycardia. No more problems in diagnosis.