Intraventricular Delay and Blocks - 22/05/18
, Giuseppe Bagliani, MD b, c, Roberto De Ponti, MD, FHRS d, Luigi Padeletti, MD e, fRésumé |
From the atrioventricular node, electrical activation is propagated to both ventricles by a system of specialized conducting fibers, His Purkinje System (HPS), guaranteeing a fast, synchronous depolarization of both ventricles. From the predivisional common stem, a right and left branch separate, subdividing further in a fairly predictable fashion. Synchronous ventricular activation results in a QRS with specific characteristics and duration of less than 110 milliseconds. Block or delay in any part of the HPS changes the electrocardiographic (ECG) morphology. This article discusses the use and limitations of standard ECG in detecting abnormal ventricular propagation in specific areas of the HPS.
Le texte complet de cet article est disponible en PDF.Keywords : Bundle branch block, Left bundle branch, Right bundle branch block, Hemiblocks, His Purkinje disease
Plan
Vol 10 - N° 2
P. 211-231 - juin 2018 Retour au numéro
Article précédent
- Atrioventricular Nodal Conduction Disease
- Giuseppe Bagliani, Fabio M. Leonelli, Roberto De Ponti, Ezio Mesolella, Luigi Padeletti
- Role of Surface Electrocardiograms in Patients with Cardiac Implantable Electronic Devices
- Emanuela T. Locati, Giuseppe Bagliani, Alessio Testoni, Maurizio Lunati, Luigi Padeletti
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