The clinical significance of hyperkalaemia-associated repolarization abnormalities in end-stage renal disease

Nephrology Dialysis Transplantation, 05/21/2012

The reason for the variability in T–wave changes is not clear. The ratio of precordial T–wave to R–wave amplitude is a more specific measure than tenting but both are poorly sensitive at detecting hyperkalaemia. The greater risk for sudden death may represent a susceptibility to cardiac arrhythmia during repolarization.

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