{'fraction_non_alphanumeric': 0.029619181946403384, 'fraction_numerical': 0.012693935119887164, 'mean_word_length': 4.916666666666667, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Benign or Sinister? Distinguishing Migraine From Subarachnoid Hemorrhage

CLINICAL HISTORY A 30-year-old woman presented with a 4-hour history of a bifrontal-temporal throbbing headache. The headache was initially mild and then progressed over about 2 hours to a severe intensity of 10/10, the worst headache she had ever had, associated with nausea, vomiting, light and noise sensitivity. She had no visual symptoms, fever, or systemic symptoms. There was a history of occasional mild headaches without any known triggers. Past medical history was negative. Vital signs were normal. The neck was supple. The neurological examination was normal. She was given sumatriptan 6 mg subcutaneously. The headache and