RCVS2 Score for Reversible Cerebral Vasoconstriction SyndromeLoading...Recurrent or single thunderclap headacheAbsent0Present+5Intracranial carotid artery involvementNot affected0Affected+2Vasoconstrictive trigger identifiedNo0Yes+3SexMale0Female+1Subarachnoid hemorrhage present on imagingAbsent0Present+1