Introduction: The Importance of the cardiovascular effects, fundamentally the ventricular arrhythmias, produced by the antipsychotic ones, is discussed.
Clinical Case: 28 year old patient with morbid obesity, operated by bariatric surgery, with good result, suffers a ventricular no supported polymorphic tachycardia while he was heightening treatment with aripiprazole and fluoxetine.
Conclusions: To value the influence of diverse factors for the production of ventricular arrhythmias emphasizing fundamentally the interactions of aripiprazole and the loss of weight.