neurologic disorders
Overview of the Autonomic Nervous System
Etiology of Autonomic Insufficiency
Disorders causing autonomic insufficiency or failure can originate in the peripheral or central nervous system and may be primary or secondary to other disorders. Themost common causesof autonomic insufficiency are Diabetes Mellitus (DM) (most common) Peripheral Neuropathy None Aging Parkinson Disease None Other causesinclude Autoimmune Autonomic Neuropathies None Multiple System Atrophy (MSA) None Pure Autonomic Failure None Overview of Spinal Cord Disorders None Certain medications Disorders of Neuromuscular Transmission (eg, Certain viral infections, possibly including COVID-19 Injury to nerves in the neck, including that due to surgery Autonomic insufficiency that occurs with COVID-19 typically develops after recovery from the respiratory and other acute systemic symptoms of COVID. One manifestation is postural orthostatic tachycardia syndrome (POTS), which is characterized by abnormal autonomic responses (eg, tachycardia) when upright (orthostatic intolerance). The mechanism is unknown. 