Timothy C. Hain, MD. Return to Index. Content last updated: September 5, 2018
Ehlers- Danlos syndrome is a connective tissue disorder with 13 subtyptes. Many are associated with distinct gene mutations. The most common syndrome, the hypermobile type, is autosomal dominant but the gene is yet unknown.
Here we are discussing only the Joint Hypermobility variant of EHD, and we are not considering the other variants.
Hypermobility is scored using the Beighten score. Cutoffs vary by age.
5 elements, and 1 point for each side (so could have 9 points max);
Image is from https://www.physio-pedia.com/Beighton_score
cutoffs vary with age, namely
This is because people get stiffer with age.
EHD is found more commonly in several types of dizziness --
- Chiari malformation
- CSF leak
- Cervical spine disorders
- Carotid dissections (more of a cause of stroke than dizziness).
- TMJ disorders (not a big cause of dizziness, but still a correlation)
According to Bendik et al, migraine is found in 75% of persons with the joint hypermobility variant of EHD.