Are hEDS and HSD the same condition?

No. Although the two conditions often require similar care, there are important differences in the diagnostic criteria.^[1] Whereas the HSD diagnosis is intended for patients with symptomatic hypermobility, the hEDS criteria is more specific. Physical features such as hyperextensible skin, an arm span-to-height ratio of ≥1.05, and atrophic scarring are considered, as well as family history of hEDS. These unique features facilitate research into the genetic basis of hEDS.^[2]