MEDizzy - A client undergoes an electrocardiogram (EKG) to assess the

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Physiological adaptation

A client undergoes an electrocardiogram (EKG) to assess the impact of hypokalemia. The earliest EKG changes that are most often seen in hypokalemia are:

ExplanationHypokalemia is reflected by the EKG. The earliest EKG change is often premature ventricular contractions (PVCs), which can deteriorate into ventricular tachycardia or fibrillation (VT/VF) without appropriate potassium replacement. Junctional rhythms, PACs, and PVCs are not often seen initially with hypokalemia.