预激综合征:
APR间期＞0. 12s，QRS波群起始部增宽，时限＞0. 12s
BPR间期＜0. 12s，QRS波群起始部增宽，时限＞0. 12s
CPR间期＞0. 12s，QRS波群终末部增宽，时限＞0. 12s
DPR间期＜0. 12s，QRS波群终末部增宽，时限＞0. 12s
EPR间期＞0. 12s，QRS波群终末部增宽，时限＜0. 12s
APR间期＞0. 12s，QRS波群起始部增宽，时限＞0. 12s
BPR间期＜0. 12s，QRS波群起始部增宽，时限＞0. 12s
CPR间期＞0. 12s，QRS波群终末部增宽，时限＞0. 12s
DPR间期＜0. 12s，QRS波群终末部增宽，时限＞0. 12s
EPR间期＞0. 12s，QRS波群终末部增宽，时限＜0. 12s