When clinical practice guidelines fail.
D000784:Aortic Dissection / Q000175:diagnosis; D017545:Aortic Aneurysm, Thoracic / Q000175:diagnosis; D002637:Chest Pain; D000075202:Contraindications; D003951:Diagnostic Errors; D019317:Evidence-Based Medicine; D019983:Guideline Adherence; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis / Q000188:drug therapy*; D017410:Practice Guidelines as Topic; D015912:Thrombolytic Therapy