您要查找的是不是：
- Q-U间期Q-U interval
- Q-T-U间期Q-T-U interval
- 间期interphase
- H-Q间期H-Q interval
- Q-T间期Q-T interval
- 被动间期passive interval
- H间期H interval
- VV间期VV delay
- PJ间期accessory pathway
- A-V间期A-V Interval; time from beginning of atrial systole to beginning of ventricular systole
- F-R间期F-R interval
- H-V间期H-V interval
- P-A间期P wave to A wave in His bundle electrogram; P-A Interval
- P-H间期P-H interval
- P-J间期P-J interval
- P-R间期an ECG interval; an electrocardiogram interval; P-R interval; PR; PR int
- P-S间期P-S interval
- PAP间期PAP interval
- PQ间期PQ interval
- PR间期PR interval
