Now showing items 1-10 of 31
Anatomical and clinical aspects of the blood supply of the sinoatrial node
(Associação Médica Brasileira, 1998-03-01)
BACKGROUND: The recent study of the variations of the origin of the sinoatrial node and on the arterial network of the perinodal sinusal area in normal hearts points out the importance of this network. PURPOSE: Report on ...
Effect of harmaline on pacemaker activity of guinea pig sinus node
Transmembrane potentials of pacemaker fibers of the sinus node were recorded to analyze the effect of harmaline (HME) on cardiac automaticity. A short exposure to HME 2.1 × 10-5 or 8.3 × 10-5 M produced a long lasting ...
Comparative analysis between ventricular and sinoatrial node vascularization in cats
(Revista Pesquisa Veterinaria BrasileiraRio Janeiro, 2012)
Biasi C., Borelli V., Benedicto H.G., Pereira M.R., Favaron P.O. & Bombonato P.P. 2012. [Comparative analysis between ventricular and sinoatrial node vascularization in cats.] Analise comparativa entre a vascularizacao ...
Gender-specific impairment of in vitro sinoatrial node chronotropic responses and of myocardial ischemia tolerance in rats exposed prenatally to betamethasone
Excessive fetal glucocorticoid exposure has been linked to increased susceptibility to hypertension and cardiac diseases in the adult life, a process called fetal programming. The cardiac contribution to the hypertensive ...
Importância da anatomia da circulação coronária atrial na operação de Cox para controle da fibrilação atrial
(Sociedade Brasileira de Cirurgia Cardiovascular, 1999-01-01)
Since the appearance of new surgical techniques such as Cox surgery employed for the treatment of cardiac arrhythmia, especially for atrial fibrillation, the knowledge of coronary artery characteristics and courses has ...