A 54-year-old female, with a history of prosthetic mitral valve replacement due to mitral valve prolapse one year prior, was admitted after suffering a cardiopulmonary arrest. Her initial rhythm demonstrated Torsade de Pointes with the initial electrocardiogram (ECG) showing a prolonged QT interval. Laboratory test results were normal including potassium and magnesium serum levels, and imaging did not show significant abnormalities. A review of patients' medicines showed that the patient started taking escitalopram one month prior to the presentation for major depressive disorder. Selective serotonin reuptake inhibitors (SSRI) are widely prescribed and continue to be a mainstay of treatment for multiple psychiatric conditions. It is important to keep the potential cardiovascular side effects of SSRIs in mind when prescribing. Consideration of underlying cardiac conditions is vital to decrease the likelihood of poor outcomes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7788002PMC
http://dx.doi.org/10.7759/cureus.11960DOI Listing

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