Meningitis Flashcards
Meningitis is defined as inflammation of the ______.
meninges
Bacterial meningitis is most commonly caused by ______ in adults.
Streptococcus pneumoniae
Meningitis can be classified as ______ or ______ depending on the causative pathogen.
bacterial, viral
Viral meningitis is also known as ______ meningitis.
aseptic
A common risk factor for meningitis is ______, which can increase susceptibility to infection.
immunosuppression
In children, the most common bacterial cause of meningitis is ______.
Neisseria meningitidis
The classic triad of symptoms in meningitis includes fever, neck stiffness, and ______.
altered mental status
______ is a test where pain is elicited upon passive extension of the knee, indicating possible meningitis.
Kernig’s sign
______ sign involves involuntary flexion of the hips when the neck is flexed forward.
Brudzinski’s
In infants, meningitis may present with irritability, poor feeding, and a ______ fontanelle.
bulging
______ onset of symptoms is more common in bacterial meningitis than viral meningitis.
Rapid
Meningitis can occur due to ______ spread of pathogens from the bloodstream to the central nervous system.
hematogenous
Direct contiguous spread of infection to the meninges can occur through sinusitis, otitis media, or ______.
trauma
The inflammation in bacterial meningitis is primarily caused by the release of ______ from immune cells.
cytokines
Neonatal bacterial meningitis is often caused by ______ during delivery.
Group B Streptococcus
Aseptic meningitis is usually caused by viral infections, including enteroviruses and ______ virus.
herpes simplex
The most definitive test for meningitis is a ______ puncture to analyze cerebrospinal fluid.
lumbar
In bacterial meningitis, cerebrospinal fluid (CSF) analysis shows low ______ levels and high protein levels.
glucose
In viral meningitis, cerebrospinal fluid (CSF) analysis typically shows normal glucose and increased ______ count.
lymphocyte
Empiric antibiotic therapy for bacterial meningitis should include coverage for ______, particularly in elderly patients.
Listeria monocytogenes
______ is a common adjunctive treatment for bacterial meningitis to reduce inflammation.
Dexamethasone
Antiviral therapy, such as ______, is indicated in cases of viral meningitis caused by herpes simplex virus.
acyclovir
Vaccination against ______ and Neisseria meningitidis has significantly reduced the incidence of bacterial meningitis.
Haemophilus influenzae type B (Hib)
The ______ vaccine is recommended for college students and military recruits to prevent Neisseria meningitidis infections.
meningococcal
______ vaccination is recommended for older adults to prevent Streptococcus pneumoniae meningitis.
Pneumococcal
A serious complication of bacterial meningitis is ______, a condition involving widespread blood clotting and bleeding.
disseminated intravascular coagulation (DIC)
Long-term complications of bacterial meningitis can include hearing loss, cognitive impairment, and ______.
seizures
______ is a life-threatening complication of meningitis characterized by rapid onset of shock and multi-organ failure.
Sepsis
______ syndrome is a complication of Neisseria meningitidis meningitis involving adrenal hemorrhage and shock.
Waterhouse-Friderichsen
Prompt treatment of bacterial meningitis with antibiotics reduces the risk of ______ and improves outcomes.
mortality
Meningitis is defined as inflammation of the ______.
meninges
Bacterial meningitis is most commonly caused by ______ in adults.
Streptococcus pneumoniae