During a lumbar puncture procedure, the nurse observed that the patient’s CSF pressure was high. However, when the analysis of the CSF sample comes back, the glucose levels are normal. The nurse would most likely suspect:
a. arboviral meningitis.
b. Neisseria meningitidis.
c. Listeria monocytogenes.
d. poliovirus.

검증된 단계별 안내

Step 1: Understand the clinical context—high cerebrospinal fluid (CSF) pressure indicates increased intracranial pressure, which can occur in various types of meningitis or other CNS infections.

Step 2: Recall that CSF glucose levels are typically low in bacterial meningitis because bacteria consume glucose, whereas viral meningitis usually presents with normal glucose levels.

Step 3: Analyze the options: bacterial pathogens like Neisseria meningitidis and Listeria monocytogenes often cause low CSF glucose, while viral infections such as arboviral meningitis and poliovirus usually have normal glucose levels.

Step 4: Consider that arboviral meningitis is a viral infection that can cause increased CSF pressure but typically maintains normal glucose levels, aligning with the nurse's observation.

Step 5: Conclude that the most likely suspicion, given high CSF pressure with normal glucose, is a viral meningitis such as arboviral meningitis.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Cerebrospinal Fluid (CSF) Analysis in Meningitis

CSF analysis is critical in diagnosing meningitis, focusing on pressure, glucose, protein, and cell counts. Elevated CSF pressure indicates inflammation or increased intracranial pressure. Normal glucose levels often suggest viral rather than bacterial meningitis, as bacteria typically consume glucose, lowering its concentration.

Differences Between Viral and Bacterial Meningitis

Viral meningitis usually presents with normal CSF glucose and mildly elevated pressure, while bacterial meningitis often shows low glucose due to bacterial metabolism and high protein levels. Identifying these differences helps distinguish causative agents and guides treatment decisions.

Common Pathogens and Their CSF Profiles

Arboviruses and poliovirus are viral pathogens causing meningitis with normal CSF glucose and elevated pressure. In contrast, Neisseria meningitidis and Listeria monocytogenes are bacteria that typically lower CSF glucose. Recognizing pathogen-specific CSF patterns aids in accurate diagnosis.