This case report provides the first description of isolated T wave alternation progressing to total QRS-T electrical alternans following ventricular defibrillation.
May indicate transient electrical instability post-defibrillation; first case leaves open prognostic value and need for validation.
A 54-year-old woman underwent replacement of a thrombosed Björk-Shiley aortic valve prosthesis. Post operative electrical defibrillation resulted in isolated T wave alternation which progressed to total QRS-T electrical alternans. This report represents the first description of such a phenomenon.
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Rowland et al. (1977) studied this question.
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