![]() This arrhythmia has a 200-260 ms cycle length, although it may fluctuate depending on patient's previous treatment or ablation, congenital heart disease, etc. It can also be defined as a macroreentrant tachycardia confined to the right atrium. We define AFL as an arrhythmia with a macroreentrant circuit (>2 cm) distinct from focal atrial tachycardias (or small circuit reentry) with subsequent centrifugal spread. Typical atrial flutter is an organised atrial tachycardia. In this chapter, we will review recent advances in our understanding of AFL mechanisms, its heterogeneous nature, and treatment. AFL often occurs in the context of structural heart disease (e.g., valvular, ischemic heart disease, cardiomyopathy) and may also manifest during acute disease process (e.g., sepsis, myocardial infarction). There are also less common forms of atrial. Typical atrial flutter is an organised atrial tachycardia. Typical atrial flutter cases (AFL-I) make up 22 of all 8,546 ablation procedures in the Spanish National. These rapid contractions can prevent the chambers from filling completely between heartbeats. An article from the e-journal of the ESC Council for Cardiology Practice Background. We define AFL as an arrhythmia with a macroreentrant circuit (>2 cm) distinct from focal atrial tachycardias (or small circuit reentry) with subsequent centrifugal spread.ĪB - Atrial flutter (AFL) is one of the most common cardiac arrhythmias in humans, afflicting ∼0.19 million people in the United States in 2005 its prevalence is expected to increase to 0.44 million by 2050 because of the aging population. In the most typical form of atrial flutter, a short circuit forms allowing the electrical signal to travel rapidly around the right atrium at a typical speed between 240 and 340 contractions per minute. In the absence of rate slowing drugs or atrioventricular (AV) nodal disease, every other depolarization passes through the AV node, and the ventricular rate is usually around 150 beats per minute. In this chapter, we will review recent advances in our understanding of AFL mechanisms, its heterogeneous nature, and treatment. Atrial flutter is characterized by rapid, regular atrial depolarizations at a characteristic rate of approximately 300 beats/min. N2 - Atrial flutter (AFL) is one of the most common cardiac arrhythmias in humans, afflicting ∼0.19 million people in the United States in 2005 its prevalence is expected to increase to 0.44 million by 2050 because of the aging population.
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