Case Study - Sudden on-set of worst headache everCreated by:
A young women, with no previous medical or surgical history, no on any medication, was attending casualty department due to sudden onset of headache in the morning. She had the epsiode of sudden onset, the worst ever headache, "thunderclap" in nature, rate 10/10, after she ate her breakfast in the morning. There were no visual symptoms or any prodromal symptoms precede the headache. The headcahe was associated with nausea feeling, but no vomiting. There were no photophobia, bo neck stiffness, no fever. The headache was slowly improved over the day, but never fully recover. Patient was mentioning about having a lot of stressful events recently. The vital signs (respiratory rate, oxygen saturation, blood pressure, pulse and temperature) were satisfactory. Neurology examination (plus all other examination), were normal. b-HCG, and other blood tests were normal. What is your differential diagnosis ?? What are the important investigation you wish to do next???