![]() ![]() ![]() Reentrant arrhythmias are distinct electrophysiology maladies of the heart caused by the presence of circuits in the normal myocardium. Reentry is the most common mechanism of arrhythmia, and it is responsible for the majority of supraventricular as well as ventricular tachycardias. Tachyarrhythmias are produced by one of the three mechanisms reentry, enhanced automaticity, or triggered activity. ![]() This activity describes the treatment, management, and diagnosis of patients with reentrant arrhythmias and highlights the role of the interprofessional team in caring for affected patients. This condition has low mortality but, if managed incorrectly, can result in sudden cardiac death. Proper patient assessment and diagnosis are crucial in the management of this condition. Atrioventricular nodal reentry tachycardia (AVNRT) is the most common reentrant supraventricular tachycardia and utilizes the atrioventricular (AV) node as its reentry circuit. In atrial fibrillation, multiple reentry circuits are found in the left atrium and pulmonary veins, while typical atrial flutter is characterized by a macro reentry circuit in the right atrium. The common reentrant arrhythmias include atrial fibrillation, atrial flutter, atrioventricular nodal reentrant tachycardia, atrioventricular reciprocating tachycardia, other pathway-mediated tachycardia, and ventricular tachycardia. Reentrant arrhythmias are a diverse group of cardiac conduction defects that can manifest in a wide range of presentations. ![]()
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