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bifascicular block & trifascicular block
Pathology:
- right bundle branch block with left posterior fascicular block
- right bundle branch block with left anterior fascicular block
- may be associated with 1st degree AV block (trifascicular block)
Special laboratory:
- electrocardiogram may show bifid QRS complex
Complications:
- complete heart block
Management:
- observation if asymptomatic
General
bundle branch block
References
- Medical Knowledge Self Assessment Program (MKSAP) 17,
American College of Physicians, Philadelphia 2015