Several psychiatric medications can cause a lengthening of the QT interval in the ECG, which in some cases can lead to a potentially lethal situation. Under normal circumstances this condition is quite rare. However, in individuals with complicating preconditions and with certain types of medication, it is advisable to get an ECG and proceed with caution. Some drugs are more likely to cause QT prolongation than others, which should be kept in mind when prescribing psychiatric medication to a patient from a higher risk group.
Keywords: QT interval, QT prolongation, medication, antidepressant, antipsychotic, mood stabilizer
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Psychiatric Medication and QT Prolongation (1) Ch Jonathan Haverkampf