sympatheticotonia

sympatheticotonia

(sĭm″pă-thĕt″ĭ-kō-tō′ nē-ă) [″ + tonos, act of stretching, tension]
A condition marked by excessive tone of the sympathetic nervous system with unusually high blood pressure, fine tremor of the hands, and insomnia; the opposite of vagotonia. It may be present in thyrotoxic patients.
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