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Understanding Hypermobile Ehlers-Danlos Syndrome

Apr 22, 2025

hEDS - The Ehlers Danlos Society

Overview of hEDS

  • hEDS stands for Hypermobile Ehlers-Danlos Syndrome.
  • Affects individuals differently with variable symptoms.
  • Always consult healthcare professionals for personalized medical guidance.

Signs and Symptoms by Body Part

Musculoskeletal System

  • Joint Hypermobility: Greater range of motion in joints throughout the body.
  • Joint Instability: Bones not securely in place, leading to subluxations, dislocations, sprains.
  • Joint and Muscle Pain: Chronic and acute pain common.
  • Sprains and Strains: Ligament and tendon injuries causing pain and muscle spasms.
  • Osteoarthritis: Accelerated cartilage wear due to hypermobility.
  • Arm Span-to-Height Ratio: Some individuals have a longer arm span than height.

Skin

  • Hyperextensibility: Skin stretches beyond normal range.
  • Easy Bruising: Common among individuals.
  • Soft, Velvety Skin: Characteristic skin texture.
  • Fragility and Poor Wound Healing: Prone to tearing and slow healing.
  • Atrophic Scars and Stretch Marks: Common due to collagen issues.
  • Resistance to Local Anesthetics: Reduced effectiveness of anesthetics.

Nervous System

  • Dysautonomia: Affects autonomic nervous system, leading to heart rate, blood pressure, and gastrointestinal issues.
  • Reduced Proprioception: Decreased body position sense, increasing injury risk.
  • Neuropathic Pain: Chronic nerve pain with sensations of burning or tingling.
  • Nerve Entrapment and Small Fiber Neuropathy: Nerve compression and damage.
  • Intracranial Hypertension and CSF Leaks: Increased cranial pressure and cerebrospinal fluid issues.
  • Thoracic Outlet Syndrome: Nerve/blood vessel compression causing pain and numbness.

Spine

  • Scoliosis and Kyphosis: Abnormal spine curvatures.
  • Craniocervical and Atlantoaxial Instability: Increased movement at spine joints leading to headaches and other symptoms.
  • Chiari I Malformation: Brain protrusion causing coordination issues.
  • Tethered Cord Syndrome: Spinal cord movement restriction.
  • Degenerative Disc Disease: Disc wear over time causing pain.

Head

  • Fatigue and Headaches: Chronic tiredness and multiple headache causes.
  • Lightheadedness and Sleep Issues: Common symptoms related to dysautonomia.
  • Mental Health: Anxiety, depression, and ADHD are prevalent.
  • Autism Spectrum Disorder: Neurodevelopmental disorder presence.

Mouth and Throat

  • High/Narrow Palate and Dental Crowding: Structural issues within the mouth.
  • Temporomandibular Joint Dysfunction: Jaw joint issues resulting in pain.
  • Voice and Swallowing Difficulties: Common among individuals.

Eyes

  • Nearsightedness (Myopia): Difficulty seeing distant objects.

Cardiovascular System

  • Tachycardia: Increased heart rate due to dysautonomia.
  • Mitral Valve Prolapse and Aortic Root Dilation: Heart valve and artery issues.

Gastrointestinal System

  • Dysmotility and GERD: Movement issues in the digestive system and acid reflux.
  • Gastroparesis and IBS: Stomach emptying issues and abdominal pain.
  • Other Issues: Nausea, bloating, constipation, diarrhea, hernias.

Pelvic Organs

  • Voiding Dysfunction and Urinary Incontinence: Bladder control issues.
  • Prolapse and Dyspareunia: Pelvic organ displacement and pain.
  • Menstrual Issues: Painful, heavy, or prolonged periods.

Immune System

  • Mast Cell Activation Syndrome (MCAS): Inflammation and allergic reactions due to increased mast cell activity.

Hands

  • Arachnodactyly: Long and slender fingers.

Feet

  • Piezogenic Papules of the Heel: Bumps under skin causing potential pain.

Pregnancy

  • Symptom Changes: Worsening of symptoms during pregnancy.
  • Increased Bleeding and Fast Labor: Complications related to tissue fragility and labor duration.

Note: This summary is for informational purposes and does not replace professional medical advice.