This is the hallmark CSF finding of meningitis
What is elevated WBC
This organism carries the highest mortality amongst bacterial causes of meningitis
What is Streptococcus pneumoniae
Your diagnosis in HIV positive patient with CD4 count 20, with 3 week H/O headache, no neck stiffness, CSF WBC 6, CSF opening pressure 39

What is Cryptococcal meningitis
Most likely etiologic agent in a patient with fever, seizures and altered mental status
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What is Herpes simplex virus
Treatment duration for Listeria meningitis
What is 21 days

The three commonly used classes of medications that can cause aseptic meningitis
What are NSAIDs, Sulfa antibiotics and beta-lactams
This bacterial infection, with highest incidence in Hawaii, has a biphasic pattern and can present with aseptic meningitis, severe hepatic and renal dysfunction
What is Leptospirosis
IDSA guideline treatment options for this patient from Upstate NY with aseptic meningitis and rash

What are: iv Ceftriaxone, Cefotaxime, penicillin or oral doxycycline
Antibiotic regimen of choice for this 42 year old female with dental caries admitted with 2 week H/O headache

What is ceftriaxone and metronidazole
This antibiotic has been associated with "shake" and "bake"
What is Amphotericin B
Bacterial organism causing meningitis that grows best at 4 degrees C
What is Listeria monocytogenes
Bacterial infection that can present as subacute purulent skin lesions, lung masses, brain masses, especially in immunocompromised patients
What is Nocardia
The commonest cause of this condition which can also cause meningitis

What is Herpes Simplex virus
The commonest cause of this infection

What is Staph aureus
This commonly used antibiotic for bacterial meningitis can lead to development of biliary sludge
What is Ceftriaxone
Three viral meningitides associated with low glucose in the CSF
What are LCM, Mumps, Adenovirus
Tick borne infection that can present with fever and meningitis, with highest per capita incidence rate in Oklahoma
What is Rocky Mountain Spotted Fever
Illness with fever, rash and rarely meningitis, also known as breakbone fever

What is Dengue
Likely diagnosis in this patient from Honduras with CSF lymphocytic pleocytosis, low glucose, elevated protein and neg MTB PCR

What is Tuberculosis
Per European guidelines, number of hours from receiving antibiotics in bacterial meningitis that steroids can still be used
What is 4 hours
Name of the large atypical appearing cells seen in the CSF in recurrent lymphocytic meningitis caused by HSV

What are Mollaret's cells
Diagnosis in Hispanic construction worker living in California for the past 10 years admitted with a 2 week H/O headache, fever, altered mental status


What is Balamuthia mandrillaris
This genus used to be implicated in empyema necessitans can also cause brain abscesses

What is Actinomyces
This systemic condition can cause a meningitis with CSF hypoglycorrachia and eosinophilia

What is Sarcoidosis
WHO first line treatment for Cryptococcal meningitis
What is Liposomal Ampho B 10 mg/kg x 1, high dose oral fluconazole plus flucytosine