A 24-year-old woman has recurrent syncopal episodes during exercise. ECG shows a corrected QT interval of 520 ms. Electrolytes are normal. There is a ...

Question

A 24-year-old woman has recurrent syncopal episodes during exercise. ECG shows a corrected QT interval of 520 ms. Electrolytes are normal. There is a family history of sudden cardiac death. Which of the following is the most appropriate long-term management?

Accepted Answer

Commence beta-blocker therapy and advise avoidance of QT-prolonging drugs

Answer

Reassure and allow unrestricted exercise

Answer

Start a thiazide diuretic

Answer

Prescribe verapamil for rate control

Answer

No therapy but yearly ECG surveillance

au-amc MCQ (SBA): Long QT syndrome syncope

A 24-year-old woman has recurrent syncopal episodes during exercise. ECG shows a corrected QT interval of 520 ms. Electrolytes are normal. There is a family history of sudden cardiac death. Which of the following is the most appropriate long-term management?