Evidence based approach to diagnosing Migraines
The pretest probability of a patient presenting to a PCP with a complain of headache to be migraine is 6-15%. A meta analysis identified nausea, photophobia, phonophobia and exacerbation with physical activity to be best individual symptoms for ruling in or out migraine. The best predictor was nausea. Headache with nausea = increases likelihood of headache being migraine to 90% 5 Item ...
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