[Frequency of different prodromal signs in cerebrovascular insult]

137 courses of illness were studied to determine, for different age groups, the incidence of early symptoms such as headache, dizziness, sleep disturbances, asynchronism, photism and singing and other sounds in the ear. The significance of prodromic signs, including uncharacteristic ones, in the overall diagnostic interpretation of cerebro-vascular insultus is indicated.