multifocal atrial tachycardia
MONDO:0017988Mondo
Findings
No curated finding names multifocal atrial tachycardia yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
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.
Definition from the Mondo Disease Ontology (MONDO:0017988), read 2026-09-29. CC BY 4.0.
Features
25 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 PR intervalHPOHP:0031593
- Obligate (100% of cases)
- Irregular P-P intervalHPOHP:6001087
- Obligate (100% of cases)
- Irregular RR intervalHPOHP:6001086
- Obligate (100% of cases)
- TachycardiaHPOHP:0001649
- Obligate (100% of cases)
- Atrial fibrillationHPOHP:0005110
- Frequent (30% to 79% of cases)
- Atrial flutterHPOHP:0004749
- Frequent (30% to 79% of cases)
- Atrioventricular valve regurgitationHPOHP:0034376
- Frequent (30% to 79% of cases)
- Fetal tachycardiaHPOHP:6000264
- Frequent (30% to 79% of cases)
- Abnormal left ventricular functionHPOHP:0005162
- Occasional (5% to 29% of cases)
- Atrial septal defectHPOHP:0001631
- Occasional (5% to 29% of cases)
- Atrioventricular reentrant tachycardiaHPOHP:0011717
- Occasional (5% to 29% of cases)
- DyspneaHPOHP:0002094
- Occasional (5% to 29% of cases)
Show the remaining 13
- Effort-induced polymorphic ventricular tachycardiaHPOHP:0004758
- Occasional (5% to 29% of cases)
- Feeding difficulties in infancyHPOHP:0008872
- Occasional (5% to 29% of cases)
- Hypertrophic cardiomyopathyHPOHP:0001639
- Occasional (5% to 29% of cases)
- HypotensionHPOHP:0002615
- Occasional (5% to 29% of cases)
- Left ventricular dilatationHPOHP:4000141
- Occasional (5% to 29% of cases)
- Pulmonic stenosisHPOHP:0001642
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
3 names
Resolves to: multifocal atrial tachycardia
- Also called
- chaotic atrial tachycardiaMATmultifocal atrial tachycardia (disease)