POST VACCINAL ENCEPHALOMYELITIDES
\pˈə͡ʊst vˈaksɪnə͡l ɛnsˈɛfɐlˌɒmɪˌɛlɪtˌa͡ɪdz], \pˈəʊst vˈaksɪnəl ɛnsˈɛfɐlˌɒmɪˌɛlɪtˌaɪdz], \p_ˈəʊ_s_t v_ˈa_k_s_ɪ_n_əl ɛ_n_s_ˈɛ_f_ɐ_l_ˌɒ_m_ɪ__ˌɛ_l_ɪ_t_ˌaɪ_d_z]\
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An acute or subacute inflammatory process of the CENTRAL NERVOUS SYSTEM characterized histologically by multiple foci of perivascular demyelination. Symptom onset usually occurs several days after an acute viral infection or immunization, but it may coincide with the onset of infection or rarely no antecedent event can be identified. Clinical manifestations include CONFUSION, somnolence, FEVER, nuchal rigidity, and involuntary movements. The illness may progress to COMA and eventually be fatal. (Adams et al., Principles of Neurology, 6th ed, p921)
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Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.