Long QT syndrome

Patients should be advised to:

Avoid drugs known to have the potential to prolong the QT interval or cause depletion of potassium and/or magnesium, such as quinidine, procainamide, sotalol, amiodarone, disopyramide, dofetilide, phenothiazines, tricyclic antidepressants, and methadone.[21][22] Credible Meds (Arizona CERT): drugs that prolong the QT interval Opens in new window Energy drinks that contain large amounts of caffeine may lead to QT prolongation and caution should be exercised in patients with LQTS.[63]
Avoid alarm clocks or loud, unexpected noises (especially LQT2 patients)
Avoid unsupervised swimming (especially LQT1 patients)
Report any syncopal episodes immediately
Replace electrolyte loss due to vomiting, diarrhoea, or excessive sweating with electrolyte solutions.

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Patient discussions