Autonomic Hyperreflexia

  title={Autonomic Hyperreflexia},
  author={Michel Amzallag},
  journal={International Anesthesiology Clinics},
Autonomic hyperreflexia is an acute syndrome characterized by widespread reflex sympathetic discharge in patients with chronic spinal cord lesions. It has also been described as autonomic dysreflexia, hypertensive autonomic crisis [1], and neurovegetative syndrome of visceral dysfunction [1], as well as “mass reflex” because of its unchecked, excessive, and generalized reaction.It appears in 85% of patients 2 to 3 weeks after the initial episode of an acute spinal lesion above the level of T7… 
Chapter 12 – Autonomic Nervous System Physiology
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