Prolonged asystole during head-up tilt testing with clomipramine infusion

This case report describes a patient with a history of neurocardiogenic syncope, who had had a negative head-up tilt test with isoprenaline, but he experienced a prolonged asystole during a head-up tilt test with clomipramine (serotonin reuptake inhibitor) 24 h later. This patient was successfully treated with fluoxetine.