منابع مشابه
Congenital partial heart block.
Although congenital complete heart block is well recognized and has been fully reviewed, congenital partial heart block appears to be much more unusual. Howevev, a survey shows that several such cases have been described in America, but we have found only four cases recorded from this country. Whipham (1915) reported two, and Fleming and Stevenson (1928) gave an account of an eight-year-old gir...
متن کاملPartial Heart Block Due to Digitalis.
Amongst a series of cases of partial heart block, collected over a period of years, there were some in which treatment with digitalis was mainly or partly responsible. This group involves some special problems that seem worth separate consideration. The slow pulse, even as slow as 35 in a minute, after the administration of digitalis was one of the original observations of Withering (1785). Muc...
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 Atrio...
متن کاملTemporary, catheter-induced block in accessory pathways.
Catheter-induced conduction delay or block in the accessory atrioventricular pathway of four patients with the preexcitation syndrome was observed. Block in the accessory pathway occurred during routine catheter placement and lasted from 90 seconds--14 hours. All of the pathways were in locations readily accessible to catheter trauma, located in the right anterior septal/paraseptal area in thre...
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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ژورنال
عنوان ژورنال: The Lancet
سال: 1912
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)57184-6