Flashcards in CNS Infections Deck (23):
What are the 4 questions to ask in CNS infections?
Is this acute or Chronic?
What is the Etiology?
What workup is needed?
What is the required Treatment?
What is the most severe type of meningitis?
Acute Bacterial Meningitis
What are the non-infectious etiologies for CNS signs?
Collagen Vascular Disease
Medications(Bacterim or Cipro)
What is the best way to diagnose a CNS infection?
CSF sample that isn't contaminated by Abtx
Glucose level of the CSF (compare to Serum glucose: ratio of .6)
Why should you get a Lumbar puncture before giving Abtx?
It will give you a false negative on Gram stain
What is the appearance of CSF if there is an infection?
What is seen in a bacterial infection?
High Protein Content
Who should get neuroimaging studies?
Persistant or prolonged fever
Focal or neuro findings
Evidence of ICP
New or Recurrent Seizures
Persistant Neuro Dysfunction
Persistent abn CSF parameters or cultures
Enlarging Head Circ in neonates
How should we choose an antibiotic?
Don't give bacterostatic agent
Give steroids to counteract swelling
What is the cutoff for Low/High GLucose in CSF?
What are the most common Bacterial causes of Meningitis?
What are the most common Viral causes of Meningitis?
What are the Bacterial Microbes that can cause Chronic Meningitis?
What is the the Reccomended Therapy for Acture Bacterial Meningitis?
(AMpicillin for Lysteria or GBS)
Add Vanco if Strep Pneumo
What pathogen is common in plate or device installation?
Coaguulase Negative Staph
What is used to treat Acute Bact. meningitis in an immunocomprimized state?
Vanco + Ampicillin + Cefpime or Meropenem
What is used to treat Acute Bact. meningitis in a basilar skull fracture?
Vanco + 3rd Gen Cephalosporin
What is used to treat Acute Bact. meningitis in an Head Trauma/neuro surgery?
Vanco + Ceftazidime/cefpime/meropenem
What is used to treat Acute Bact. meningitis in an If patient is less than 1 month old?
Ampicillin + Cefotaxime
Who is a good candidate for steroids?
WHat area of the country is affected by Lyme disease?
Great lakes area, Upstate New york
WHat are the stages of Lyme disease?
Myocarditis and Bell's Palsy
Migratory Polyarthritis and Encephalopathy