TRANSIENT HEART BLOCK —ELECTROCARDIOGRAPHIC STUDIES

Electrocardiographic Studies in Homologous Canine Heart Transplantations.

• Transplantation of the canine heart has been performed by a variety of technics since the original work of Alexis Carrel reported in 1907. The most widely used method was described in 1933 by Mann and associates, who placed an auxiliary heart in the neck of a recipient by means of direct vascular anastomoses. Subsequently other investigators using this technic achieved maximal functional surv...

Lyme Carditis with Transient Complete Heart Block

211 Volume XI, no. 2 : May 2010 progressing from high-level AV block through second-degree to first-degree heart block before complete resolution.2 The AV node is most commonly involved, but any level of the conduction system can be affected. Clinical heart failure is observed in approximately 10% of patients, and dilated cardiomyopathy can be a long-term consequence of untreated Lyme carditis....

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...

Exercise studies in congenital heart block.

Iatrogenic Transient Complete Heart Block in a Preexisting LBBB

Catheter induced cardiac arrhythmia is a well-known complication encountered during pulmonary artery or cardiac catheterization. Injury to the cardiac conducting system often involves the right bundle branch which in a patient with preexisting left bundle branch block can lead to fatal arrhythmia including asystole. Such a complication during central venous cannulation is rare as it usually doe...