Left posterior fascicular block

1. Usually means disease
2. Right axis deviation (>110) w/QRS < 0.10s
3. Tall R in II, III, AVF
4. Exclude other causes (COPD, RVH, Lat MI)

See Also

• ECG (Basics)

Source

• Adapted from Niemann, Lampe, Pani, Donaldson, ECGpedia.org
• Journal of Electrocardiology. Vol 43 (2010). 40-42.