Feature | Viral meningitis | Bacterial meningitis |
Seasonal pattern | Enteroviral infections (the most common cause of viral meningitis) occur mostly in summer and fall | No characteristic seasonal pattern |
Clinical features | ||
Fever, headache, stiff neck, photophobia | Common | Common |
Ill appearance | Uncommon | Common |
Petechiae or purpura | Absent | May be present |
Other manifestations of enteroviral infection (eg, rash, conjunctivitis, herpangina, pharyngitis) | Common | Uncommon |
Symptoms after LP | Often, there is improvement | No improvement |
CSF parameters | ||
WBC count | Typically 10 to 500 cells/microL | Typically >1000 cells/microL, but can be lower, particularly early in the course |
Differential | Mononuclear predominance | Neutrophil predominance |
Glucose | Normal or slightly reduced Usually ≥40% of serum value | Usually <60% of serum value Often <40 mg/dL |
Protein | Normal to slightly elevated Usually <150 mg/dL | Typically 100 to 500 mg/dL |
آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟