Nonspecific intraventricular conduction delay (defect) – ECG & ECHO

Nonspecific intraventricular conduction delay is defined by the presenced of widened QRS complexes without features of left or right bundle branch block.

Intraventricular conduction delay

Non-Specific Interventricular Conduction Delay (NSIVCD) ECG (Example 1)

Wide QRS Complex With First-degree AV Block

Intraventricular conduction delay: bundle branch blocks & fascicular blocks – ECG & ECHO