Resumo

SOSA-VILLARREAL, R  e  ARCE-CARREON, JM. Atrial flutter with 1:1 Atrioventricular conduction. Case report. Cuad. - Hosp. Clín. [online]. 2019, vol.60, n.Especial, pp.50-55. ISSN 1562-6776.

Abstract The atrial flutter(AF) with 1 to 1 atrio-ventricular (AV) conduction it's a rare medical condition secondary to several factors among which the most important are the association whit AV accessory pathways, or secondary to the use of some antiarrhythmic drugs. The AF with 1 to 1 AV conduction is a medical emergency and since it has a regular heart rate and presents wide QRS complex it can be confused with a ventricular tachycardia. When this condition occurs, it leads to hemodynamic instability of the patient, and that is why the diagnosis and treatment of this entity should be made as soon as possible. In the present report we present the case of a patient whit a previous pacemaker implantation who develops a regular wide QRS tachycardia, which is diagnosed as AF with 1 to 1 conduction and treated with antiarrhythmic drugs, first achieving a reduction in the heart rate and subsequently reaching its reversion

Palavras-chave : Atrial flutter; 1 to 1 atrioventricular conduction; wide QRS tachycardia.

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