منابع مشابه
Hyperkalemia-induced complete heart block
Background: Potassium, as an extracellular ion, plays an important role in the electrophysiologic function of the myocardium and any change in extracellular concentration of this ion might have a marked impression upon myocyte electrophysiologic gain. High serum potassium levels are thought to impair pulse conduction in Purkinje fibers and ventricles more than that in the Atrio...
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When a patient is suspected of having Stokes-Adams disease the electrocardiogram is of critical importance, particularly in respect of the auriculo-ventricular (A-V) conduction time. Should this not be prolonged, the possibility of paroxysmal heart block remains, although the diagnosis of Stokes-Adams disease is uncertain without some degree of heart block recorded graphically. It is not known ...
متن کاملhyperkalemia-induced complete heart block
background: potassium, as an extracellular ion, plays an important role in the electrophysiologic function of the myocardium and any change in extracellular concentration of this ion might have a marked impression upon myocyte electrophysiologic gain. high serum potassium levels are thought to impair pulse conduction in purkinje fibers and ventricles more than that in the atrioventricular (av) ...
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Atrioventricular block may occur in various acute and chronic diseases pertaining to the myocardium, or the structures surrounding, or in close proximity to the A-V node,' bundle and bundle branches. When atrio-ventricular conduction is disrupted the ventricles are activated by distal pacemakers. Complete heart block usually results in some degree of cardiac insufficiency, manifested as a reduc...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1930
ISSN: 0306-3283
DOI: 10.1042/bj0241811