A Curious Headache

Cardiovascular System

{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"A new onset headache in a patient over 50 years of age should be considered to be due to a secondary cause until proven otherwise.\n\nImportant possibilities to consider include giant cell arteritis (GCA), primary or metastatic cerebral tumor, and subdural hematoma; note also that headache due to prescription medications is extremely common in this age group and often overlooked.\n\nA detailed history and examination is essential; this reveals a recent episode of blurring of vision - an ominous finding which strongly favors GCA.\n\nAn important clinical point is that visual disturbances in a patient with GCA are a herald of impending irreversible vision loss. This may occur at any point in time - even on the day of presentation itself.\n\nThus, the"}]}

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