FCEM2-0143

A 22 year old female comes to the emergency department complaining of pleuritic chest pain that has been present for 2 days. She is not currently taking any medications. A chest X-ray reveals no abnormalities and her D-dimer test is negative. An ECG shows sinus rhythm, but a prolonged QTc of 500 ms is observed. The patient is diagnosed with costochondritis and an incidental finding of long QT syndrome (LQTS). What is the primary treatment approach for LQTS?