hyperkalemia-induced complete heart block

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...

Cryptostegia grandiflora Toxicity Manifesting as Hyperkalemia, Complete Heart Block and Thrombocytopenia.

Cardiac glycosides are widely available in botanic products and other naturally occurring substances worldwide. Accidental consumption of it leads to digitalis toxicity with varied systemic manifestations. We describe a case of consumption of extract of leaves of the Indian rubber vine plant (Crytostegia grandiflora) which led to gastrointestinal, cardiac, electrolyte, and hematological disturb...

Congenital Complete Heart Block.

Few of the reported cases of congenital complete heart block have been over twenty years of age. It seems, therefore, worth reporting seven cases who are in good health at various ages between 22 and 42 years. This aetiological factor should, therefore, be thought of in middle-aged and even in elderly patients with complete heart block of unknown oetiology. Campbell and Suzman (1934), reporting...

Congenital complete heart block.

seven hours twenty minutes before delivery, the foetal heart sounds became audible. The very slow rate was noted. It was regular, and the provisional diagnosis of complete heart block was suggested. At delivery the condition of the infant was good: there was no cyanosis. Auscultation of the heart disclosed no murmurs. The ventricular rate fluctuated from timne to timie and varied between sixty ...

Congenital complete heart block.

Fetal complete heart block.

In a series of over 6000 patients referred for fetal echocardiography during an eight year period, 37 fetuses were found to have complete heart block. There were 16 cases of isolated heart block and 21 cases associated with structural heart disease. All mothers of fetuses with isolated complete heart block had evidence of circulating syndrome Sjögren A antibody (Ro). Only one mother had clinica...