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- Observations-
- Absent P waves
- QRS complexes at irregular intervals
- Some QRS complexes are RBBB while others are LBBB (note that the lead is v1)
- Diagnosis-
- Best diagnosis- Atrial fibrillation with alternating bundle branch blocks
- Second best diagnosis- Atrial fibrillation with baseline wide QRS due to non-specific conduction defect and occasional tachycardia induced RBBB aberrancy.
- Comments are welcome!