Sentinel headache as a warning symptom of ischemic stroke.
Elena R LebedevaAnton V UsheninNatalia M GuraryDenis V GilevJes OlesenPublished in: The journal of headache and pain (2020)
A new type of headache and a previous kind of headache with altered characteristics during one week before stroke are significantly more prevalent than in controls. These headaches represent sentinel headaches. Sudden onset of such headaches should alarm about stroke.