Atrial Flutter in Infants

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Atrial flutter in infants.

OBJECTIVES We sought to characterize the clinical nature of atrial flutter (AFL) in a large cohort of infants. BACKGROUND There are no large studies describing the natural history of AFL in infants. Previous studies vary in the therapy used and expected prognosis. METHODS We reviewed the records of all children younger than 1 year of age who were diagnosed with AFL at our hospital during th...

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Transient atrial flutter in premature infants.

A preterm newborn of 34 weeks gestational age and birth weight of 1900 g was referred for a cardiology evaluation due to having a tendency to tachycardia since birth (heart rate approximately 160 beats/min) without tachycardic stimulants. From his sixth day of life, he frequently experienced a heart rate over 190 beats/min with no haemodynamic repercussions. On ECG (Figure) we observed P-waves ...

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Atrial flutter.

was attempted in eight patients with drug refractory type I atrial flutter. In seven of eight patients, a zone of prolongation and fragmentation of the endocardial electrogram was found in the low posterior part of the right atrium. Entrainment of the atrial flutter by high right atrial pacing was accompanied by local recording of second-degree regional block in several atrial sectors but never...

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Atrial fibrillation and atrial flutter in athletes.

Atrial fibrillation (AF) is the most common arrhythmia in clinical practice, with an estimated prevalence of 0.4% to 1% in the general population, increasing with age to 8% in those above 80 years. The recognised risk factors for developing AF include age, structural heart disease, hypertension, diabetes mellitus or hyperthyroidism. However, the mechanisms underlying the initiation of AF in pat...

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Echocardiographic findings in atrial flutter.

Echocardiographic studies were performed in 22 patients with atrial fibrillation and atrial flutter. In atrial flutter, the echocardiograms consistently demonstrated regular undulatory waves of the posterior left atrial wall and upper left interventricular septum coinciding with each flutter wave of the electrocardiogram. The mitral valve was slightly reopened by each flutter wave occurring aft...

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ژورنال

عنوان ژورنال: Journal of the American College of Cardiology

سال: 2006

ISSN: 0735-1097

DOI: 10.1016/j.jacc.2006.04.091