A 35-year-old man was seen in the emergency department with a history of sudden excruciating, generalized headache while gardening. Ten minutes later the patient collapsed to the ground in a state of unconsciousness. After being carried indoors and placed on a settee, he regained consciousness but appeared confused. He complained of a severe headache and a stiff neck. Physical examination revealed some rigidity of the neck but nothing further. A careful neurologic examination 4 days later revealed some loss of tone of the muscles of the left leg. Using your knowledge of anatomy, make a diagnosis. What caused the neck rigidity?

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The Answer of A 35-year-old man was seen in the emergency department with a history of sudden excruciating, generalized headache while gardening. Ten minutes later the patient collapsed to the ground in a state of unconsciousness. After being carried indoors and placed on a settee, he regained consciousness but appeared confused. He complained of a severe headache and a stiff neck. Physical examination revealed some rigidity of the neck but nothing further. A careful neurologic examination 4 days later revealed some loss of tone of the muscles of the left leg. Using your knowledge of anatomy, make a diagnosis. What caused the neck rigidity?

A 35-Year-Old Man Was Seen in the Emergency Department with a History