Idiopathic neonatal atrial flutter (AFL) is a rare rhythm disorder characterized by sustained tachycardia in newborns and infants with an atrial rate often at around 440 beats/minute (range 340-580). AFL may manifest as asymptomatic tachycardia congestive heart failure or hydrops.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Idiopathic neonatal atrial flutter?
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Advocacy Organizations
Heart of a Giant Foundation
The mission of the HGF is to achieve better health outcomes for heart diseases and related chronic health conditions in our communities and enhance the quality of life through health education, care support, and connection to community resources.
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Clinical Trials
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