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Right bundle branch block
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Evaluation
- QRS > 0.12 in limb leads
- Triphasic QRS (rSR') or biphasic (qR), often with ST depression & TWI in V1-V3
- V1 must have a positive complex
- ST depression and TWI in other leads should arouse suspicion
- Slurred S in 1 and V6
- Any ST elevation is abnormal in RBBB and must prompt evaluation for STEMI
See Also
References
- Adapted from Niemann, Lampe, Pani, Donaldson, ECGpedia.org
- Journal of Electrocardiology. Vol 43 (2010). 40-42.
