نتایج جستجو برای: parasympathetic
تعداد نتایج: 5078 فیلتر نتایج به سال:
an 8-year-old female japanese spitz dog was reffered to shiraz university veterinary clinic, with signof anisocoria. clinical examinations revealed mydriasis in the right eye. ocular examination revealed adilated and unresponsive right pupil to focal illumination. by testing with topical 2% pilocarpine, thetentative diagnosis was parasympathetic denervation of the right iris sphincter muscle—pu...
Spectral analysis of spontaneous heart rate fluctuations were assessed by use of autonomic blocking agents and changes in posture. Low-frequency fluctuations (below 0.12 Hz) in the supine position are mediated entirely by the parasympathetic nervous system. On standing, the low-frequency fluctuations increase and are jointly mediated by the sympathetic and parasympathetic nervous systems. High-...
Thirteen healthy subjects were tested for parasympathetic reactivity during head-up tilt and reversal of the tilt. Head-up tilt (70 degrees) resulted in significant increase in baseline heart rate and diastolic blood pressure. Head-up tilt also led to increased parasympathetic reactivity as measured by Valsalva manoeuvre and hand grip test. Heart rate response to deep breathing test did not cha...
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