Clinical features
This varies by age and from patient-to-patient. All have potential to become oedematous, cyanosed and have hepatomegaly (especially in younger children).
Patients with structural defects may also have a murmur
In infants:
- Difficulty feeding
- Faltering growth
- Young children
- Exercise intolerance
- Abdominal pain and vomiting (especially upon exertion)
- Fatigue
- Poor appetite
In adolescents
- Exercise intolerance
- Fatigue
Investigations
- Bloods: FBC, U&Es, LFTs, CRP, TFTs, Bone profile, Magnesium, BNP
- Imaging: Chest X-ray and echocardiogram