Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Fascicular block
Introduction
Overview
Fascicular block is a conduction abnormality in the heart where one of the three main fascicles of the His/Purkinje system are blocked.
The three types of fasicular block are: right bundle branch block (RBBB), left anterior fascicular block (LAFB), and left posterior fascicular block (LPFB).