ECG RHYTHM LAB
Asystole
An isoelectric educational example without discernible ventricular activity.
Generated six-second Lead II example · No organized rate · not a patient recording.
- Typical rate
- No ventricular rate
- Regularity
- No ventricular activity
- P waves
- Absent in this example
- PR interval
- Not measurable
- QRS
- Absent
What to look for
No identifiable ventricular complexes. A flat trace alone is not a clinical diagnosis.