sympatheticotonia

sympatheticotonia

S25-924180 (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.