Exhibits

For each client finding, click to specify if the finding is consistent with meningitis or influenza. Each finding may support more than 1 disease process or none at all. There must be at least 1 selection in every column. There does not need to be a selection in every row.

Rationale for Correct Answers:

• Preparing for a lumbar puncture: The child exhibits symptoms consistent with possible bacterial meningitis, including headache, lethargy, irritability, and nuchal rigidity. A lumbar puncture is necessary to obtain cerebrospinal fluid for diagnostic confirmation.
• Neurological findings: Signs like lethargy, nuchal rigidity, and severe headache strongly suggest central nervous system involvement. These findings indicate increased risk of meningitis, warranting immediate evaluation via lumbar puncture.

Rationale for Incorrect Choices:

• Administering potassium chloride: The child's potassium level is 3.8 mEq/L, which falls within the normal range. There is no indication of hypokalemia or need for potassium supplementation.
• Initiating airborne precautions: Bacterial meningitis requires droplet precautions, not airborne. Airborne precautions are reserved for illnesses like tuberculosis or measles.
• Administering acyclovir: There is no indication of viral infection such as herpes simplex or varicella. The presentation and history align more with bacterial meningitis than a viral cause.
• Increasing environmental stimuli: The child is irritable and lethargic, so increased stimuli would be contraindicated. A quiet, low-stimulation environment is more appropriate for neurologically compromised children.
• Pain level: Although pain is present (7/10 headache), the more critical finding prompting a lumbar puncture is the constellation of neurological symptoms rather than pain alone.
• WBC: An elevated WBC supports infection but is nonspecific. It should be interpreted alongside neurologic symptoms to justify a lumbar puncture.
• Lymph node findings: Slightly enlarged cervical nodes could be residual from a prior URI and are not the primary reason for a lumbar puncture in this context.
• Potassium level: The potassium is normal and unrelated to the need for a lumbar puncture or the child’s presenting concerns.

A. Soft, flat fontanels: A soft, flat fontanel indicates that intracranial pressure has decreased and is within normal limits. Elevated pressure often causes bulging or tense fontanels, so this finding suggests effective treatment.

B. Increased sleepiness: Excessive sleepiness or lethargy can indicate worsening or ongoing increased intracranial pressure, so it is not a sign of effective treatment and requires further assessment.

C. Enlarged head circumference: An increasing head circumference in an infant can be a sign of accumulating cerebrospinal fluid or brain swelling, indicating persistent or worsening increased intracranial pressure.

D. Crying when disturbed: While crying is a normal infant behavior, excessive irritability or inconsolable crying may indicate discomfort or increased intracranial pressure rather than improvement. Normal, calm behavior is preferable after treatment.