This post is an answer to the ECG Case 304
- Rate:
- 42 bpm Ventricular rate
- 102 bpm Atrial rate
- Rhythm:
- Regular atrial and ventricular rhythms
- AV dissociation
- Axis: Normal
- Intervals:
- QRS – Prolonged
- Additional:
- Typical RBBB morphology
Interpretation
Complete heart block
What happened next ?
The patient was admitted under cardiology for pacemaker insertion and made an uneventful recovery following.
READ MORE: Conduction Blocks at the AV Node (AV Blocks) [With Examples]
SIMILAR CASE: Complete (third degree) Heart Block in 80-year-old woman

