“…The reported incidence of warning signs in SAH patients ranges from 13.5% to 60%. 2,5,6,12,14,16,21,24,28,30,[32][33][34][35] Papers in which high rates are reported include, in addition to headache, less specific symptoms such as purely somatic symptoms and transient neurological dysfunction without headache as a premonition of the SAH. 21,34 In the present study we focused on patients with a history of having experienced a generalized or localized headache with an acute onset.…”