Summary: On this episode, I discuss the pharmacology surrounding QTc prolongation and drug interactions. <br> <br> <br> <br> I discuss which medications are more likely to cause QTc prolongation and which patient populations we should be more concerned about. <br> <br> <br> <br> Antiarrhythmics are a common class of medication that can exacerbate QTc prolongation when used with other interacting medications. <br> <br> <br> <br> 500 ms is a common value utilized to help identify patients at risk for QTc prolongation and ultimately torsades de pointes.
