HEADACHE: Secondary, with Red Flag Symptoms

HEADACHE: Secondary, with Red Flag Symptoms Headache Primary (Usually episodic) Secondary (Usually constant) Red Flag Symptoms Systemic symptoms Focal neurological signs Sudden onset Old age Progressive signs of increased intracranial pressure Causes with Red Flag Symptoms Infection Meningitis Encephalitis Vascular Ischemic Stroke Intracranial Hemorrhage AVM Aneurysm Sinus Thrombosis Trauma Subarachnoid Hemorrhage (Thunderclap Headache) Autoimmune Temporal Arteritis Metabolic Pseudotumor Cerebri Neoplasm/Mass Cerebrospinal Fluid Hydrocephalus Cerebrospinal fluid leak