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NCLEX-RN

Category - Reduction of Risk

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A client’s laboratory report reveals a serum potassium level of 3.2 mEq/L. On electrocardiogram, which of the following findings is not consistent with the result of the laboratory value?

Tall, peaked T waves
ST depression
Prominent U wave
Flat T wave

Explanation

Answer - A - A serum potassium level of 3.2 mEq/L indicates hypokalemia. Electrocardiogram changes associated with hypokalemia include ST depression, flat, or inverted T wave, and prominent U wave.

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