Ottawa Subarachnoid Hemorrhage (SAH) Rule: The Ottawa SAH rule contains 6 clinical variables to consider: - Age >=40 - Neck pain or stiffness - Witnessed loss of consciousness - Onset during exertion - Thunderclap headache (instantly peaking pain) - Limited neck flexion on examination Infographic by Dr. Shahbaz Syed https://twitter.com/DDxDino #Ottawa #Subarachnoid #Hemorrhage #SAH #Rule #Intracranial #ICH #Management #Emergency
