Second-degree interatrial block: Brief review and concept
Corresponding Author
Antonio Bayés de Luna
Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
Correspondence
Antonio Bayés de Luna, Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, C/ Sant Antoni Mª Claret, 167, 08025 Barcelona, Spain.
Email: [email protected]
Search for more papers by this authorAdrián Baranchuk
Division of Cardiology, Queen's University, Kingston, Ontario, Canada
Search for more papers by this authorCésar Niño Pulido
Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
Search for more papers by this authorManuel Martínez-Sellés
Cardiology Department, Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense, Universidad Europea, Madrid, Spain
Search for more papers by this authorAntonio Bayés-Genís
Heart Institute, Hospital Universitari Germans Trias i Pujol, Badalona, Spain
Department of Medicine, CIBERCV, Autonomous University of Barcelona, Barcelona, Spain
Search for more papers by this authorRoberto Elosua
Cardiovascular Epidemiology and Genetics Research Group, REGICOR Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Catalonia, Spain
CIBER Cardiovascular, Barcelona, Catalonia, Spain
Medicine Department, Medical School, University of Vic - Central University of Catalonia (UVic-UCC), Vic, Catalonia, Spain
Search for more papers by this authorMarcelo V. Elizari
National Academy of Medicine, Buenos Aires, Argentina
Search for more papers by this authorCorresponding Author
Antonio Bayés de Luna
Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
Correspondence
Antonio Bayés de Luna, Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, C/ Sant Antoni Mª Claret, 167, 08025 Barcelona, Spain.
Email: [email protected]
Search for more papers by this authorAdrián Baranchuk
Division of Cardiology, Queen's University, Kingston, Ontario, Canada
Search for more papers by this authorCésar Niño Pulido
Cardiovascular Research Foundation. Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
Search for more papers by this authorManuel Martínez-Sellés
Cardiology Department, Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense, Universidad Europea, Madrid, Spain
Search for more papers by this authorAntonio Bayés-Genís
Heart Institute, Hospital Universitari Germans Trias i Pujol, Badalona, Spain
Department of Medicine, CIBERCV, Autonomous University of Barcelona, Barcelona, Spain
Search for more papers by this authorRoberto Elosua
Cardiovascular Epidemiology and Genetics Research Group, REGICOR Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Catalonia, Spain
CIBER Cardiovascular, Barcelona, Catalonia, Spain
Medicine Department, Medical School, University of Vic - Central University of Catalonia (UVic-UCC), Vic, Catalonia, Spain
Search for more papers by this authorMarcelo V. Elizari
National Academy of Medicine, Buenos Aires, Argentina
Search for more papers by this authorAbstract
The advanced interatrial block (A-IAB) (P ≥ 120 ms plus ± pattern in II, III and aVF) corresponds at atrial level, to right or left advanced bundle branch block at ventricular level, and it is well known that these patterns may be seen transiently in relation to taquicardia or bradycardia (tachycardia or bradycardia dependent right or left bundle branch block). We present for the first time, the same phenomenon at atrial level. In one case, the A-IAB appears in relation to tachycardization and in the other disappears during a pause induced by ventricular premature complex.
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