This post is an answer to the ECG Case 339
- Rate:
- Ventricular rate ~54 bpm
- Atrial rate ~96 bpm
- Rhythm:
- Complete AV dissociation
- Variable rate ventricular rhythm
- Variable rate atrial rhythm
- Axis: Left axis deviation
- Intervals: QRS – Prolonged
- Additional:
- RSr’ pattern V2
- Slurred up-stroke QRS in leads I, aVL, V3-6
- Looks similar to a delta wave but rhythm origin is not sinus
- ? Effect of ablation or AP pathway involvement in escape rhythm
- Discordant ST depression in lateral and high lateral leads
- T wave inversion in high lateral leads
- Variable R-R interval showing ventriculophasic arrythmia
- RSr’ pattern V2
Interpretation: Post ablation complete heart block.
The patient was well aware of his longstanding heart block and had declined a pacemaker insertion.
READ MORE: Conduction Blocks at the AV Node (AV Blocks) [With Examples]
SIMILAR CASES:
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