Presentation of Case -4 days She returned to the hospital that night Examination revealed a temperature of 38.4 c and was otherwise normal The hematocrit, hemoglobin level, platelet count, and results of renal- and liver-function tests were normal Testing for mononucleosis, streptococcal pharyngitis and influenza was negative and urinalysis revealed blood that was consistent with mensesPresentation of Case • -4 days • She returned to the hospital that night. • Examination revealed a temperature of 38.4°C and was otherwise normal. • The hematocrit, hemoglobin level, platelet count, and results of renal- and liver-function tests were normal. • Testing for mononucleosis, streptococcal pharyngitis, and influenza was negative, and urinalysis revealed blood that was consistent with menses