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Neurology (Expert Forum)
Cardiovagal & Adrenergic impairment
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Cardiovagal & Adrenergic impairment
by Adele-Harms, Dec 12, 1997 12:00AM
Re: Cardiovagal & Adrenergic impairment
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Posted by CCf Neuro MD *!* on December 12, 1997 at 17:13:12:
In Reply to: Cardiovagal & Adrenergic impairment posted by Adele Harms on December 12, 1997 at 01:41:56:
: I have had P.N. for 7 years. Recently the diagnosis was fine-tuned at Mayo Clinic (Rochester) to be Axonal P.N. and a note was made on my report that there is "cardiovagal & adrenergic impairment", as well as "an absence of QSART". What does it mean?
"Erythromelalgia" was also added to my diagnosis, but definitions of this just sound like another term for P.N. Are they different? Thank you. A. Harms
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QSART is a quantitative test of the function of the very fine sensory nerves fibers which are not tested in the routine nerve conduction studies, its absence therefore documents that the responses of these nerve fibers were unrecordable, supporting the diagnosis of a severe peripheral neuropathy.
In other words it is an objective measurement of something which you are probably very well aware of from your symptoms.
Cardiovagal and Adrenergic impairment refers to an inability of one branch of the nervous system (the autonomic nervous system) to respond appropriately to changes in body position or other stimuli, in its extreme forms it can cause inability of the heart rate and blood pressure to react adequately ,leading to dizziness on standing (Postural Hypotension )
Erythromelalgia is a rare peripheral neuropathy in which there is an uncomfortable sensation of heat in the feet, accompanied by redness, patients are unable to tolerate normal temperatures the feet and so cannot wear shoes or stockings and may even put their feet into cold or iced water to obtain relief.
This information is provided for general medical education purposes only.
Please consult your physician for diagnostic and treatment options of your specific medical condition.
