| Neonatal |
Persistent pulmonary hypertension, respiratory distress syndrome, chronic lung disease |
| Cardiac |
Left to right shunt (ASD, VSD, AVSD, PA), Transposition of the great arteries, obstructive lesions (TAPVC, MS, HLHS, HOCM, DCM) |
| Acquired |
Chronic hypoxia (Cystic fibrosis, high altitude), scoliosis, airway obstruction (OSA, tonsillar hypertrophy, tracheal stenosis), vasculitic (uncommon- connective tissue disease, sickle cell) |
| Idiopathic |
Sporadic, familial |
| ASD, atrial septal defect; AVSD atrioventricularseptal defect; DCM, dilated cardiomyopathy; HLHS, hypoplastic left heart syndrome; HOCM, hypertrophic obstructed cardiomyopathy; MS, mitral stenosis; OSA, obstructive sleep apnoea; PA, pulmonary arterial; TAPVC, total anomalous pulmonary venous connection; VSD, ventricular septal defect |
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