title: A very unusual headache.
authors.affiliation: Rheumatology Research Group, Centre for Translational Inflammation Research, University of Birmingham, UK.
authors.forename: Adam P
authors.initials: AP
authors.lastname: Croft
authors.forename: Kurdow
authors.initials: K
authors.lastname: Nader
authors.forename: Nirmalan
authors.initials: N
authors.lastname: Arulanantham
mesh_terms: D000328:Adult; D000784:Aortic Dissection / Q000150:complications* / Q000175:diagnosis* / Q000601:surgery; D001014:Aortic Aneurysm / Q000150:complications* / Q000175:diagnosis* / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000209:etiology; D002637:Chest Pain / Q000209:etiology; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D009325:Nausea / Q000209:etiology; D010100:Oxygen / Q000097:blood
chemical_list: D010100:Oxygen
keywords: Aortic dissection; cocaine; sildenafil; subarachnoid haemorrhage