Reduction of Risk PotentialQuestion 763 of 2368
Which client is at greatest risk for developing torsades de pointes?
- A client with a PR interval of 0.16 seconds
- A client taking a medication that prolongs the QT interval
- A client with sinus tachycardia during exercise
- A client with a single early atrial beat
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Correct answer: A client taking a medication that prolongs the QT interval
Torsades de pointes occurs with a long QT interval, so medications that prolong the QT interval raise the risk.
Source: Nursing Advanced Skills (Open RN, Chippewa Valley Technical College, 2023), Interpret Basic ECG: Ventricular Rhythms. Licensed under CC BY 4.0.
Practice the topic "Reduction of Risk Potential"Questions last reviewed: 18 October 2026