1.9 Should a cerebral venous sinus thrombosis (CVST) stroke be included on SSNAP? December 09, 2020 16:14 Updated No. Only those CVST patients with focal neurological symptoms/signs should be included on SSNAP. Related articles 1.11: What onset time should be recorded if a patient has a stroke during sleep? Section 1: Do stroke patients who are not admitted into hospital, for example treated and discharged in A&E, require entering into SSNAP? 1.9: How do I record a change of diagnosis? 1.12.2 How to find the Computer-aided dispatch (CAD) number 2.1: When should "no but" be answered for "was the patient on antiplatelet/anticoagulant medication prior to admission"?