Marfans syndrome – examination
Features of Marfans syndrome
It is a very common condition that can be presented in the musculoskeletal station
You may be given the patient and asked to examine
Look for the following clinical features
Examination
- Kyphoscoliosis
- Anterior chest wall deformity- pectus excavation/ carinatum
- High arched palate
- Long slender fingers (Arachnodactyly)
- Cardiac findings- Mitral
- valve prolapse, Aortic regurgitation
Measurement
- Tall patient above average
- Upper segment :Lower segment is < 0.9
- Arm span is more than the height of patient
- Hyperextension of joints
Signs
- Steinberg’s sign or the thumb sign
- When the thumb is opposed across the palm inside the clenched hand, it extends beyond the ulnar border
- Walker Murdoch sign or the wrist sign
- When the patient wraps the wrist with the other hand, there will be overlapping of the thumb and the 5th digit