Normal
Normal Sinus Rhythm
The heart's baseline rhythm: SA node fires regularly, every P wave is followed by a QRS.
LEAD II · 25 mm/sNSR
Characteristics
- Rate
- 60–100 bpm
- Rhythm
- Regular
- P wave
- Upright, one per QRS
- PR interval
- 120–200 ms
- QRS
- < 120 ms
Common causes
- Normal finding
ACLS treatment
- 1No treatment required.