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Tytuł oryginału: Preliminary study of external itneratrial muscle fascicles.
Autorzy: Kozłowski Dariusz, Kamiński Rafał, Piwko Grzegorz, Gawrysiak Marcin, Owerczuk Adam, Piszczatowska Grażyna, Budrejko Szymon, Kozłowska Magdalena, Duda Barbara, Grzybiak Marek
Źródło: Folia Morphol. 2002: 61 (2) s.97-101, il., tab., bibliogr. 16 poz.
Sygnatura GBL: 301,720

Hasła klasyfikacyjne GBL:
  • kardiologia

    Typ dokumentu:
  • tytuł obcojęzyczny
  • praca kliniczna
  • praca doświadczalna

    Wskaźnik treści:
  • ludzie
  • dorośli 19-44 r.ż.
  • dorośli 45-64 r.ż.
  • dorośli = 65 r.ż.
  • płeć męska
  • płeć żeńska

    Streszczenie angielskie: The atria are highly complex multidimensional structures composed of a heterogenous branching network of subendocardial muscular bundles. The relief of the inner part of the right atrium includes the crista terminalis as well as multiple pectinate muscles that bridge the thinner atrial free walls and appendages. However, a handful of studies have focused attention on the role of the naturally occurring complexities of the atrial subendocardial muscle structures in the mechanisms of cardiac arrhythmias. In accordance with the facts mentioned above, it was decided to examine the morphology and topography of the external interatrial junctions and related structures in order to define the possible anatomical basis of impulse propagation in focal atrial fibrillation. Research was conducted on material consisting of 15 human hearts of both sexes (female - 6, male - 9) from 18 to 82 years of age. In addition we were concerned, on the basis of the history and electrocardiograph tracings, that none of the patients had shown focal and non-focal type of atrial fibrillation. The classic macroscopic methods of anatomical evaluation were used. The walls of the atria were prepared via a stereoscopic microscope, the pericardium and fatty tissue were eliminated from the surface of the atria, visualising muscle fibres linking both of the atria, and the beginnings and the endpoints of fascicles in the right and left atrium were estimated. The structure, large muscle bundle, was present in all examined hearts. The muscle fascicle was descending from the anterior wall of the right atrium just below the orifice of the superior vena cava. The fascicle...

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