Sometimes: Intraventricular conduction delay (ivcd) refers to a condition in which electrical conduction through the heart muscle is delayed or slowed. When does intraventricular conduction delay ( IVCD ) occur? Abnormally slow conduction of electricity through the ventricular walls of the heart, resulting in a QRS complex on the electrocardiogram that lasts longer than 0.12 sec but less than 0.16 sec. What does IVCD mean on an electrocardiogram? This is called “intraventricular conduction delay” (IVCD). Ventricular Arrhythmias Blocks in the bundle branches are within the ventricles themselves, causing delays in the propagation of the wave of impulses.
What does IVCD stand for?įamilies and physicians often wonder what the terms“intraventricular conduction delay” (IVCD) or “incomplete right bundle branch block” (IRBBB) or “rsR’” on an electrocardiogram mean and what to do with the information. The study protocol was approved by the Institutional Review Board. IVCD was defined as a QRS duration ≥ 120 ms without typical features of LBBB or RBBB, according to accepted criteria. IVCD was defined overall as QRS 101 to 120 ms irrespective of morphology, or as QRS > 120 ms not identifiable as BBB. The main finding of the present study is that nonspecific intraventricular conduction disturbance (IVCD) in an ECG is associated with increased mortality and a markedly elevated risk of sudden arrhythmic death in a general population. Is intraventricular conduction delay serious?Ĭonclusions: Prolonged QRS duration in a standard 12-lead ECG is associated with increased mortality in a general population, with intraventricular conduction delay being most strongly associated with an increased risk of arrhythmic death. An IVCD is the result of abnormal activation of the ventricles caused by conduction delay or block in one or more parts of the specialized conduction system (bundle of His, bundle branch or purkinje conduction system) resulting in widening of QRS complex.
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