Orphanet: Multifocal atrial tachycardia

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Multifocal atrial tachycardia

Disease definition

Multifocal atrial tachycardia is a rare supraventricular arrhythmia in neonates and young infants that is characterized by multiple P waves with varying P wave morphology and is usually asymptomatic.


Classification level: Disorder
  • Synonym(s):
    • Chaotic atrial tachycardia
    • MAT
  • Prevalence: -
  • Inheritance: Not applicable 
  • Age of onset: Infancy, Neonatal
  • ICD-10: I47.1
  • OMIM: -
  • UMLS: C0221158
  • MeSH: -
  • GARD: 1235
  • MedDRA: -

Detailed information


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