Question # 13 A previously healthy 53-year-old man is brought to the emergency department 45 minutes...

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Question # 13 A previously healthy 53-year-old man is brought to the emergency department 45 minutes after the onset of a severe headache. He returned from a vacation in the mountains 2 weeks ago, where he camped near a lake. On arrival, he is confused. His temperature is 39°C (102.2°F) and blood pressure is 105/68 mm Hg. Neurologic examination shows diffuse hyperreflexia. An MRI of the brain shows asymmetrical, bitemporal hyperintensities. A lumbar puncture is performed. Cerebrospinal fluid analysis shows: Leukocyte count Segmented neutrophils Lymphocytes Erythrocyte count Glucose Opening pressure Protein A Answer 120/mm³ Naegleria fowleri 10% 90% 15/mm³ 58 mg/dL Which of the following is the most likely causal pathogen? 130 mm Hg 75 mg/dL B Tick-borne encephalitis virus C Neisseria meningitidis Image 491/1723 Question # 13 A previously healthy 53-year-old man is brought to the emergency department 45 minutes after the onset of a severe headache. He returned from a vacation in the mountains 2 weeks ago, where he camped near a lake. On arrival, he is confused. His temperature is 39°C (102.2°F) and blood pressure is 105/68 mm Hg. Neurologic examination shows diffuse hyperreflexia. An MRI of the brain shows asymmetrical, bitemporal hyperintensities. A lumbar puncture is performed. Cerebrospinal fluid analysis shows: Leukocyte count Segmented neutrophils Lymphocytes Erythrocyte count Glucose Opening pressure Protein A Answer 120/mm³ Naegleria fowleri 10% 90% 15/mm³ 58 mg/dL Which of the following is the most likely causal pathogen? 130 mm Hg 75 mg/dL B Tick-borne encephalitis virus C Neisseria meningitidis Image 491/1723

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The detailed answer for the above question is provided below Answers B part is correct ie Tick Borne ... View the full answer