Left posterior fascicular block
 | This article may be too technical for most readers to understand. (September 2015) |
| Left posterior fascicular block | |
|---|---|
| Other names | Left posterior hemiblock |
| Specialty | Cardiology  |
A left posterior fascicular block (LPFB), also known as left posterior hemiblock (LPH), is a condition where the
ECG.[2]
Definition
The American Heart Association has defined a LPFB as:[3]
- Frontal plane axis between 90° and 180° in adults
- rS pattern in leads I and aVL
- qR pattern in leads III and aVF
- QRS duration less than 120 ms
The broad nature of the posterior bundle as well as its dual blood supply[4] makes isolated LPFB rare.[5]
See also
References
- ISBN 978-0071496186.
- ^ "Lesson VI - ECG Conduction Abnormalities". Retrieved 2009-01-07.
- PMID 19281930.
- PMID 5846099.
- PMID 6744692.
Further reading
- Ma FS, Ma J, Tang K, et al. (March 2006). "Left posterior fascicular block: a new endpoint of ablation for verapamil-sensitive idiopathic ventricular tachycardia". Chin. Med. J. 119 (5): 367–72. PMID 16542578.