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[Severe ventricular arrhythmias in a patient with dilated cardiomyopathy and automated implantable defibrillator (AID)].

Severe ventricular arrhythmias are frequent during heart failure; they are a life-threatening condition due to the increased risk of sudden death. Efficient management remains limited in sub-Saharan Africa because of the limited or unavailable medical resources as automated implantable defibrillator (AID). We report the case of a 56-year old patient with non ischemic dilated cardiomyopathy with very low left ventricular ejection fraction (LVEF)who underwent AID implantation for primary prevention of sudden cardiac death due to ventricular arrhythmias in 2012. Maintenance therapy combined diuretic, angiotensin-converting enzyme (ACE) inhibitor and anti-vitamin K. In the month of November 2014 the patient had iterative episodes requiring the delivery of electric shocks by the AID, without the sensation of palpitations suggestive of episodes of arrhythmias. Clinical examination is a poor screening test, especially for heart failure. AID detected multiple episodes of tachycardia and ventricular fibrillation justifying antitachycardia pacing (ATP) therapy or the delivery of electric shocks of 15J. The patient was treated with amiodarone and beta blocker. Evolution was favorable at 3-months follow-up. The patients had resumed normal activities, without experiencing new episodes requiring the delivery of electric shocks. This study emphasizes the essential role of anti-arrhythmic drug therapy for severe ventricular arrhythmias, even in the presence of AID.