Results 221 to 230 of about 1,378,402 (251)

Vagally induced hyperpolarization in atrioventricular node [PDF]

American Journal of Physiology-Heart and Circulatory Physiology, 1986
The effects of postganglionic vagal stimulation on atrioventricular nodal conduction were studied in 12 rabbit atrial-atrioventricular nodal preparations. Vagal stimulation was introduced in the sinus and atrioventricular nodes, separately or in combination, using single bursts of subthreshold stimuli.
Mazgalev T, Amir Pelleg, Leonard S. Dreifus, Eric L. Michelson   +3 more
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ANATOMY OF THE ATRIOVENTRICULAR NODE AND ATRIOVENTRICULAR CONDUCTION SYSTEM

International Journal of Bifurcation and Chaos, 2003
The anatomy of the atrioventricular conduction system was first described nearly a hundred years ago. Since then, it has been an occasional subject of controversy mainly through a lack of adherence to the original definitions based on histology. The gross landmarks for locating the atrial component of the conduction system are found in the right ...
Aneel Ansari, Damián Sánchez-Quintana, Penny S. Thomas, Siew Yen Ho, Karen P. McCarthy   +4 more
openaire   +2 more sources

Neurona in the region of the atrioventricular node

Human Pathology, 1981
A three month old infant died of apparent sudden infant death syndrome. Autopsy showed a neuroma in the region of the atrioventricular node, unassociated with neurofibromatosis. The atrioventricular node and bundle of His were normal. It was not possible to ascribe the sudden death to the neuroma.
openaire   +3 more sources

Ivabradine in the Treatment of Inappropriate Sinus Tachycardia in Patients after Successful Radiofrequency Catheter Ablation of Atrioventricular Node Slow Pathway

Pacing and clinical electrophysiology : PACE, 2013
Inappropriate sinus tachycardia (IST) occurs relatively common after catheter ablation of slow pathway in patients with atrioventricular nodal reentrant tachycardia.
P. Ptaszyński, K. Kaczmarek, J. Ruta, T. Klingenheben, J. Wranicz   +4 more
semanticscholar   +1 more source

Effect of Dual Atrioventricular Node Pathways on Atrioventricular Reentrant Tachycardia

Circulation, 1995
Background Dual atrioventricular (AV) node pathway physiology is frequently observed in patients with AV accessory pathways. Methods and Results To examine the implications of this, we identified 36 patients (19 men and 17 women; mean±SD age, 30±13 years) with both phenomena. The 36
Csanádi, Zoltán, Klein, G. J., Yee, Raymond, Thakur, Ranjan K., Li, H.   +4 more
openaire   +3 more sources

Anatomic Assessment of Variations in Myocardial Approaches to the Atrioventricular Node

Cardiovascular Electrophysiology, 2012
Atrial Septum, Coronary Sinus, and Atrioventricular Node.
T. Matsuyama, S. Ho, K. McCarthy, Akiko Ueda, H. Makimoto, K. Satomi, S. Kamakura, S. Inoue, H. Ishibashi-Ueda   +8 more
semanticscholar   +1 more source

Corpora amylacea in mesothelioma of the atrioventricular node

The Journal of Pathology, 1978
Rounded or polyhedral, acellular, dense lamellated structures were seen within gland-like spaces in a case of atrioventricular mesothelioma. These structures exhibited many of the histochemical characteristics of amyloid, viz., pink colour with green birefringence and bright red fluorescence with alkaline Congo red; ortochromasia and red birefringence ...
Raffaele David, Yehuda Hiss
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An Atrioventricular Node Model for Analysis of the Ventricular Response During Atrial Fibrillation

IEEE Transactions on Biomedical Engineering, 2011
This paper introduces a model of the atrioventricular node function during atrial fibrillation (AF), and describes the related ECG-based estimation method. The proposed model is defined by parameters that characterize the arrival rate of atrial impulses,
V. Corino, Frida Sandberg, L. Mainardi, L. Sörnmo   +3 more
semanticscholar   +1 more source

Heart block and mesothelioma of the atrioventricular node

The American Journal of Cardiology, 1967
Abstract A case of a primary mesothelioma of the atrioventricular node is described. The tumor caused complete heart block for at least 30 years. The 9 previously reported cases are summarized. The microscopic nature of the tumor and the tendency for heart block to occur before the fifth decade of life are emphasized.
Daniel R. Alonso, Neil I. Kaminsky, Jack W. C. Hagstrom, Thomas Killip   +3 more
openaire   +3 more sources

Chronic Augmentation of the Parasympathetic Tone to the Atrioventricular Node: A Nonthoracotomy Neurostimulation Technique for Ventricular Rate Control During Atrial Fibrillation

Cardiovascular Electrophysiology, 2010
Long‐Term Cardiac Neurostimulation. Introduction: The right inferior ganglionated plexus (RIGP) selectively innervates the atrioventricular node. Temporary electrical stimulation of this plexus reduces the ventricular rate during atrial fibrillation (AF).
K. Mischke, M. Zarse, M. Schmid, C. Gemein, N. Hatam, J. Spillner, G. Dohmen, O. Rana, E. Saygili, C. Knackstedt, J. Weis, D. Pauza, S. Bianchi, P. Schauerte   +13 more
semanticscholar   +1 more source