Quick Arrhythmia Guide
Sinus Tachycardia
| Rhythm | Regular |
| Rate | Fast (> 100 bpm) |
| P Wave | Normal, may merge with T wave at very fast rates |
| PR Interval | Normal (0.12-0.20 sec) |
| QRS | Normal (0.06-0.10 sec) |
| Notes | QT interval shortens with increasing heart rate |
Sinus Tachycardia EKG Reference Arrhythmia Guide
Arrhythmia Guide