Laboratory work has revealed that your patient has hypokalemia. What should you be looking for on the cardiac monitor for this patient?


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- ST wave depression

- Peaked T waves

- Wide QRS

- Atrial fibrillation


Hypokalemia will present with a U wave and ST wave depression. Hyperkalemia will present with peaked T waves and a wide QRS. Both will cause ventricular dysrhythmias (not atrial).

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