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Review Question - QID 213828

Encephalitis Introduction Evaluation CT scan of the head performed first rules-out space occupying lesions normal CT does not rule-out encephalitis MRI is the preferred imaging modality for HSV encephalitis Lumbar puncture QID: 213828 (M2.OMB.20.4696)
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QID 213828 (Type "213828" in App Search)
A 62-year-old man presents to the emergency department with confusion. The patient is brought in by his wife stating that he has seemed more ill and confused over the past several days. The patient has a past medical history of diabetes, obesity, and hypertension. His temperature is 103°F (39.4°C), blood pressure is 159/99 mmHg, pulse is 110/min, respirations are 19/min, and oxygen saturation is 99% on room air. Physical exam is notable for a confused man with dry skin. Cardiopulmonary exam is notable for a regular and rapid rate. Neurological exam is notable for a confused man with a negative Kernig sign, Brudzinski sign, and jolt accentuation of headache. His gait is unremarkable, and his strength is 5/5 in the upper and lower extremities. An initial chest radiograph and urinalysis are unremarkable. Laboratory values are notable only for a mild leukocytosis. An MRI is seen in Figure A. Which of the following in Figure B would be seen on a lumbar puncture?
  • A
  • B
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  • A
  • B