Symptoms of EvC include:
- short arms and legs causing disproportionate short stature
- short ribs resulting in a narrow chest
- heart defects, most commonly an atrial or an atrioventricular septal defect (ASD)
- polydactyly (extra fingers and/or toes)
- small finger and toe nails
- small or absent teeth
- abnormal knee joints causing knock knees in older children and adults.
Not all of these features are present in everyone with EvC. Most people with EvC have normal intelligence.