%0 Journal Article %T Case 18-2024: A 64-Year-Old Woman with the Worst Headache of Her Life. %A Edlow JA %A Singhal AB %A Romero JM %J N Engl J Med %V 390 %N 22 %D 2024 Jun 13 %M 38865664 %F 176.079 %R 10.1056/NEJMcpc2402484