2.快速性心律失常的诊断与处理确定窄QRS心动过速的机制；确定宽QRS心动过速的机制；诱发临床上出现的窄QRS心动过速及宽QRS心动过速，并进行标测与经导管消融。
O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O B-pro I-pro I-pro I-pro I-pro O