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Bayes Syndrome and Imaging Techniques

[ Vol. 13 , Issue. 4 ]

Author(s):

Ivan Hernandez-Betancor, Maria Manuela Izquierdo-Gomez, Javier Garcia-Niebla, Ignacio Laynez-Cerdena, Martin Jesus Garcia-Gonzalez, A. Barragan-Acea, Jose Luis Irribarren- Sarria, Juan Jose Jimenez-Rivera and Juan Lacalzada-Almeida*   Pages 263 - 273 ( 11 )

Abstract:


Background: Interatrial block (IAB) is due to disruption in the Bachmann region (BR). According to whether interatrial electrical conduction is delayed or completely blocked through the BR, it can be classified as IAB of first, second or third degree. On the surface electrocardiogram, a P wave ≥ 120 ms (partial IAB) is observed or associated to the prolongation of the P wave with a biphasic (positive / negative) morphology in the inferior leads (advanced IAB). Bayes syndrome is defined as an advanced IAB associated with atrial arrhythmia, more specifically atrial fibrillation.

Objective and Conclusion: The purpose of this review is to describe the latest evidence about an entity considered an anatomical and electrical substrate with its own name, which may be a predictor of supraventricular arrhythmia and cardioembolic cerebrovascular accidents, as well as the role of new imaging techniques, such as echocardiographic strain and cardiac magnetic resonance imaging, in characterizing atrial alterations associated with this syndrome and generally in the study of anatomy and atrial function.

Keywords:

Bayes syndrome, interatrial block, atrial remodeling, atrial fibrosis, atrial fibrillation, echocardiography, speckletracking echocardiography, cardiac magnetic resonance, Bachmann region, interatrial conduction delay.

Affiliation:

Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Centro de Salud Valle del Golfo, Servicios Sanitarios del Area de Salud de El Hierro, Frontera-El Hierro, Santa Cruz de Tenerife, Tenerife, Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Unidad de Cuidados Intensivos, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Unidad de Cuidados Intensivos, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife, Departamento de Cardiologia, Hospital Universitario de Canarias, San Cristobal de La Laguna, Tenerife

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