| Items | Case 1 | Case 2 | Case 3 |
| Sex | F | F | F |
| Age at diagnosis | 19 months | 6 Weeks | 4 weeks |
| Height (SDS) | <−3 | −1 | 0 |
| Heat murmur Intensity | Mitral 3/6 | Mitral 3/6 | Sub clavicular 3/6 |
| Neurological findings | Severe psychomotor delay | Axial hypotonia | Normal |
| Other abnormalities | Macroglossia Umbilic hernia Myxoedema | Macroglossia Umbilic hernia | Macroglossia |
| TSHus (µUI/ml) | 238.7 | 199.87 | >50 |
| Gland in situ | RL* 14 mm LL** 11 mm | Yes
| RL 7 mm LL 9 mm |
| Heart ultrasound | Pulmonary stenosis RV/PA*** gradient 75 mmHg | Pulmonary stenosis RV/PA gradient 45 mmHg | Patent ductus arteriosus Pulmonary stenosis |