idiopathic neonatal atrial flutter
Findings
No curated finding names idiopathic neonatal atrial flutter yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
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.
Definition from the Mondo Disease Ontology (MONDO:0018684), read 2026-09-29. CC BY 4.0.
Features
14 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal atrioventricular conductionHPOHP:0005150
- Very frequent (80% to 99% of cases)
- Abnormal EKGHPOHP:0003115
- Very frequent (80% to 99% of cases)
- ArrhythmiaHPOHP:0011675
- Very frequent (80% to 99% of cases)
- Supraventricular tachycardiaHPOHP:0004755
- Very frequent (80% to 99% of cases)
- Abnormal left ventricular functionHPOHP:0005162
- Frequent (30% to 79% of cases)
- Abnormal QRS complexHPOHP:0025074
- Frequent (30% to 79% of cases)
- Paroxysmal supraventricular tachycardiaHPOHP:0004763
- Frequent (30% to 79% of cases)
- Reduced left ventricular ejection fractionHPOHP:0012664
- Frequent (30% to 79% of cases)
- TachypneaHPOHP:0002789
- Frequent (30% to 79% of cases)
- Feeding difficulties in infancyHPOHP:0008872
- Occasional (5% to 29% of cases)
- Fetal distressHPOHP:0025116
- Occasional (5% to 29% of cases)
- Hydrops fetalisHPOHP:0001789
- Occasional (5% to 29% of cases)
Show the remaining 2
- Large for gestational ageHPOHP:0001520
- Occasional (5% to 29% of cases)
- Respiratory distressHPOHP:0002098
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
1 name
Resolves to: idiopathic neonatal atrial flutter
- Also called
- neonatal cardiac dysrhythmia