It is well known that typical antipsychotic drugs have been implicated as a cause of ventricular arrhythmias and cardiac arrest; studies have shown that conventional antipsychotics increase the risk of hospitalization for ventricular arrhythmias or cardiac arrest nearly 2-fold. However, atypical antipsychotics are not associated with an increased risk of hospitalization for ventricular arrhythmias or cardiac arrest. The use of atypical antipsychotics increased since they were first discovered and now are the mainstay of treatment, but with their broad use, heart effects have been documented, such as prolonged QT interval. Clozapine has been linked to severe cardiac problems, and risperidone has been linked to an increased risk of ventricular arrhythmias and cardiac arrest. We present a case of a patient with bipolar disorder who presented with symptomatic bradycardia secondary to aripiprazole.

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In psychotic disorders, such as schizophrenia and bipolar disorder, several medication classes are beneficial. There is not enough evidence of the effect of aripiprazole on heart rate (HR) and how it causes bradycardia, to the best of our knowledge there are only 2 cases of aripiprazole related to bradycardia/syncope