The nurse is analyzing the electrocardiogram (ECG) tracing of a client newly admitted to the cardiac step-down unit with a diagnosis of chest pain. Which of the following findings indicate the need for a llow-up?
a) QRS complex that is 0.10 seconds long
b) ST segment that is isoelectric in appearance
c) PR interval that is 0.18 seconds long
d) QT interval that is 0. 46 seconds long
Answer: d) QT interval that is 0. 46 seconds long
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