Left bundle branch block differential diagnosis
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Please help WikiDoc by adding more content here. It’s easy! Click here to learn about editing
Differentiating Left Bundle Branch Block from other Diseases
Differentiating Left Bundle Branch Block from other Diseases
LBBB must be differentiated from:
- Left anterior fascicular block (LAFB), which is when there is a block of the anterior fascicle.
- Left posterior fascicular block (LPFB), which is when there is a block of the posterior fascicle.
- Left ventricular hypertrophy, which also causes tall QRS complexes.
- Ventricular tachycardia and accelerated idioventricular rhythm
- Wolff-Parkinson-White syndrome
- Ventricular pacing
Looking for the patient version?
© 2026 MyEClinic – IFTM Institut für Telematik in der Medizin GmbH