Altered consciousness, stroke, seizures, and dangerous headache.
3 pathways
Time is brain: door-to-imaging in minutes, and the treatment window counts from when last seen well.
From hypoglycemia to intracranial bleeding: a fixed method that keeps you from missing the reversible cause.
A seizure past five minutes = status epilepticus: full-dose benzodiazepine then a second-line agent without hesitation.