Rosemarie Brown

A 25-year-old Aboriginal Australian woman presents to the emergency department with sudden onset thunderclap headache, nausea, vomiting, and neck stiffness. Focus on formulating a diagnosis, considering neurological differentials, and synthesising the clinical evidence.

1. 1Formulate a working diagnosis based on the clinical presentation
2. 2Identify and discuss relevant neurological differentials
3. 3Synthesise clinical and investigative evidence
4. 4Assess the severity and acuity of the condition
5. 5Justify your reasoning for the most likely diagnosis