Research Article
Orthostatic Intolerance and Postural Orthostatic Tachycardia Syndrome in Joint Hypermobility Syndrome/Ehlers-Danlos Syndrome, Hypermobility Type: Neurovegetative Dysregulation or Autonomic Failure?
Table 1
Response to cardiovascular reflex tests.
| | Test | Normal
number (%) | Borderline
number (%) | Pathological
number (%) | Not evaluable
number (%) |
| | Deep breathing | 35/35 (100) | — | — | — | | Valsalva ratio | 19/35 (54.3) | 3/35 (8.5) | — | 13/35 (31.4) | | 30/15 ratio | 17/35 (48.57) | 18/35 (51.4) | — | | | Sustained handgrip | — | — | — | 35/35 (100) |
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