Electrocardiographic Changes in a Patient with Hyperkalemia and Diabetic Acidosis Associated with Acute Anteroseptal Pseudomyocardial Infarction and Bifascicular Block

Cohen, Alberto; Utarnachitt, Richard V.
May 1981
Angiology;May1981, Vol. 32 Issue 5, p361
Academic Journal
The article cites a study on electrocardiographic changes in a patient with hyperkalemia and diabetic acidosis associated with acute anteroseptal pseudomyocardial infarction and bifascicular block. The study revealed that hyperkalemia lowers the myocardial resting potential and decreases the upstroke velocity. These changes were due to a reduced influx of sodium when the resting membrane potential is decreased by rising serum potassium levels. It is likely that other electrolyte disturbances and the degree of acidosis might have influenced the relationship of serum potassium and physiologic state of the cardiac muscle of the subject.


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