Left Posterior Fascicular Block

Left posterior fascicular block (LPFB) is block of the left posterior fascicle, manifesting with right-axis deviation on ECG. It is rare and often indicates underlying structural heart disease (ischemia/cardiomyopathy). Treatment: investigate underlying cause; monitor for progression; pacemaker if associated with high-grade AV block.

Common Symptoms

Usually asymptomatic; right-axis deviation; often indicates structural heart disease

Causes and Pathogenesis

Ischemic/structural disease blocks the left posterior fascicle.

Treatment

Investigate underlying cause; monitor; pacemaker if high-grade block develops

Preventive Measures

Investigate structural disease; monitor ECG.

Department to Visit

It is recommended to visit the Cardiology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.