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An intraventricular block is a heart conduction disorder — heart block of the ventricles of the heart. An example is a
Intraventricular conduction delays (IVCD) are conduction disorders seen in intraventricular propagation of supraventricular impulses resulting in changes in the QRS complex duration or morphology, or both. IVCD can be caused by abnormalities in the structures of
Intraventricular conduction delay overview at Wikidoc
Conduction defects at ECGWaves
Nonspecific intraventricular conduction delay (NSIVCD) at ECGWaves
{{Heart diseases Cardiac arrhythmia
right bundle branch block
A right bundle branch block (RBBB) is a heart block in the Bundle branches#Structure, right bundle branch of the Electrical conduction system of the heart, electrical conduction system.
During a right bundle branch block, the right ventricle (h ...
, right fascicular block, bifascicular block, trifascicular block.
Types
Types of intraventricular blocks are * Fascicular block ** Left anterior fascicular block ** Left posterior fascicular block * Trifascicular block * Bifascicular block (RBBB with fascicular block) *Right bundle branch block
A right bundle branch block (RBBB) is a heart block in the Bundle branches#Structure, right bundle branch of the Electrical conduction system of the heart, electrical conduction system.
During a right bundle branch block, the right ventricle (h ...
(RBBB)
* Left bundle branch block (LBBB)
Intraventricular conduction delay
Intraventricular conduction delays (IVCD) are conduction disorders seen in intraventricular propagation of supraventricular impulses resulting in changes in the QRS complex duration or morphology, or both. IVCD can be caused by abnormalities in the structures of bundle of His
The bundle of His (BH) or His bundle (HB) ( "hiss"Medical Terminology for Health Professions, Spiral bound Version'. Cengage Learning; 2016. . pp. 129–.) is a collection of heart muscle cells specialized for electrical conduction. As part of ...
, Purkinje fibers
The Purkinje fibers, named for Jan Evangelista Purkyně, ( ; ; Purkinje tissue or subendocardial branches) are located in the inner ventricular walls of the heart, just beneath the endocardium in a space called the subendocardium. The Purki ...
or ventricular myocardium. Nonspecific intraventricular conduction delay (NICD) is a delay with widened QRS complex but without a specific intraventricular block present.
References
Further reading
*External links
Intraventricular conduction delay overview at Wikidoc
Conduction defects at ECGWaves
Nonspecific intraventricular conduction delay (NSIVCD) at ECGWaves
{{Heart diseases Cardiac arrhythmia