atrial septal defect, ostium secundum type
MONDO:0020434Mondo
Findings
No curated finding names atrial septal defect, ostium secundum type yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Features
35 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.
- Left-to-right shuntHPOHP:0012382
- Very frequent (80% to 99% of cases)
- Exercise intoleranceHPOHP:0003546
- Frequent (30% to 79% of cases)
- Exertional dyspneaHPOHP:0002875
- Frequent (30% to 79% of cases)
- FatigueHPOHP:0012378
- Frequent (30% to 79% of cases)
- PalpitationsHPOHP:0001962
- Frequent (30% to 79% of cases)
- Right atrial enlargementHPOHP:0030718
- Frequent (30% to 79% of cases)
- Systolic heart murmurHPOHP:0031664
- Frequent (30% to 79% of cases)
- Abnormal left ventricular functionHPOHP:0005162
- Occasional (5% to 29% of cases)
- Abnormal mitral valve morphologyHPOHP:0001633
- Occasional (5% to 29% of cases)
- ArrhythmiaHPOHP:0011675
- Occasional (5% to 29% of cases)
- Atrial fibrillationHPOHP:0005110
- Occasional (5% to 29% of cases)
- Atrial flutterHPOHP:0004749
- Occasional (5% to 29% of cases)
Show the remaining 23
- Breathing dysregulationHPOHP:0005957
- Occasional (5% to 29% of cases)
- Bundle branch blockHPOHP:0011710
- Occasional (5% to 29% of cases)
- Congestive heart failureHPOHP:0001635
- Occasional (5% to 29% of cases)
- DyspneaHPOHP:0002094
- Occasional (5% to 29% of cases)
- First degree atrioventricular blockHPOHP:0011705
- Occasional (5% to 29% of cases)
- Mitral regurgitationHPOHP:0001653
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
1 name
Resolves to: atrial septal defect, ostium secundum type
- Also called
- ASD, ostium secundum type