Trifascicular heart block

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Trifascicular heart block
Classification & external resources
ICD-10 I45.3
ICD-9 426.54

Trifascicular heart block is the triad of first degree heart block, right bundle branch block, and either left anterior or left posterior hemi block seen on an electrocardiogram (EKG).

The relevance of this entity is that it's impossible to tell how serious the disease of the electrical conduction system of the heart is by examination of the EKG.

[edit] See also