title: Accompanying EKG changes at the early stage of subarachnoid hemorrhage.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis / Q000503:physiopathology*