Psychiatrists and other clinicians frequently prescribe psychotropic drugs that may prolong cardiac repolarization, thereby increasing the risk for torsades de pointes (TdP). The corrected QT interval (QTc) is the most widely used and accepted marker of TdP risk. This resource document was created in response to the paucity of strong evidence to guide clinicians in best practice prescription and monitoring of psychotropic medications that may increase risk of TdP.
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