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FIGURE 82.15. Electrolyte effects on EKG Q-T interval. Note prolongation with hypocalcemia, shortening with hypercalcemia.
Electrocardiogram from a 44-year-old woman with acquired long-QT syndrome. The electrocardiogram demonstrates T-wave alternans before the onset of torsades de pointes.
Electrocardiogram from a 44-year-old woman with acquired long-QT syndrome. The electrocardiogram demonstrates T-wave alternans before the ...