RN Exam Practice
Pharmacological and Parenteral TherapiesQuestion 528 of 2368

A client begins sotalol and the nurse measures a corrected QT interval of 520 msec. What should the nurse do?

  1. Give the next dose as scheduled
  2. Notify the provider because the dosing must be changed
  3. Double the next dose
  4. Teach the client to avoid grapefruit juice
Show answer

Correct answer: Notify the provider because the dosing must be changed

A QTc above 500 msec means the sotalol dose must be changed.

Source: Nursing Pharmacology, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Cardiovascular & Renal Systems: Class II – Beta-Blockers. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026