A nurse is reviewing the laboratory results for a client and notes that the client has hyperkalemia. Which of the following EKG abnormalities would be consistent with this finding? Select all that apply.
a. Peaked T waves
b. Atrial fibrillation
c. Prolonged QT interval
d. Wide QRS
e. U wave
a. Peaked T waves
d. Wide QRS
rationale: Since potassium plays a role in ventricular depolarization and repolarization, hyperkalemia will present with peaked T waves and a wide QRS. This means the process of allowing the ventricles to fully contract and relax is slower and longer because there is TOO much potassium present.
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