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sympatholytic

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
sym·pa·tho·lyt·ic  (smp-th-ltk)
adj.
Opposing the physiological effects caused by stimulation of the sympathetic nervous system: a sympatholytic treatment.


sympatholytic [ˌsɪmpəθəʊˈlɪtɪk] Med
adj
(Medicine)
a.  inhibiting or antagonistic to nerve impulses of the sympathetic nervous system
b.  of or relating to such inhibition
n
(Medicine / Pharmacology) a sympatholytic drug Compare sympathomimetic
[from sympath(etic) + -lytic]


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Because of its sympatholytic and vagomimetic actions, dexmedetomidine is approved with a warning about hypotension, bradycardia and sinus arrest and can be used only in a monitored situation.
The sympatholytics are also recommended because they block the peripheral autonomic hyperarousal in PTSD, but they can also cause troublesome side effects, including hypotension.
 
 
 
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