Effects of Cardiac Nerve Stimulation on Ventricular Arrhythmias after Coronary Occlusion

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概要

• 論文の詳細を見る

• Ventricular arrhythmias accompanied by vagal or sympathetic hyperactivity occur frequently in the acute stage of myocardial infarction. The experiments were designed to study the influence of vagal or sympathetic activity on the incidence of ventricular arrhythmias after coronary occlusion. A right vagus or a left sympathetic nerve was electrically stimulated in anesthetized dogs before and after coronary occlusion while the electrocardiogram was monitored continuously. Sympathetic stimulation was found to enhance the frequency of ventricular arrhythmias very slightly after coronary occlusion. Vagal stimulation, in 4 out of 7 dogs, consistently elicited runs of ventricular tachycardia, the rate of which was slower than the sinus rate. On the other hand, sporadic ventricular extrasystoles coupled to the sinus beat were prevented by the suppression of the sinus rate. Ventricular fibrillation was not produced by either sympathetic or vagal stimulation.

• International Heart Journal刊行会の論文

著者

• Sato Kiyoshi

  First Department of Internal Medicine, School of Medicine, Kanazawa University

• Takeuchi Jugoro

  First Department of Internal Medicine, School of Medicine, Kanazawa University

• Sugimoto Tsuneaki

  Department Of Medicine Toyama Medical And Pharmaceutical University And Toyama Prefectural Central H

• Sugimoto Tsuneaki

  First Department Of Internal Medicine School Of Medicine Kanazawa University.

• Sugimoto Tsuneaki

  Department Of Medicine Toyama Medical And Pharmaceutical University And Toyama Prefectural Central H

• SUGIMOTO Tsuneaki

  First Department of Internal Medicine, School of Medicine, University of Kanazawa

• TAKEUCHI Jugoro

  First Department of Internal Medicine, Kanazawa University School of Medicine

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