An ECG technician is performing an ECG on a hospital patient who has developed hypokalemia secondary to diuretic use. Which of the following manifestations of the client's health problem will the technician anticipate on the ECG?
A) Irregular heart rate and a peaked T wave
B) A low T wave and an absent P wave
C) A prominent U wave and a flattened T wave
D) A narrow QRS complex and an absent U wave
Ans:
C
Feedback:
ECG changes associated with hypokalemia include a prominent U wave and a flattening of the T wave. Atrial fibrillation, a low P wave, and the absence of a U wave are not associated with hypokalemia.
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