Infectious Diseases Affecting the Nervous System Flashcards
What happens between the microorganisms and the Nervous System
Infectious Diseases Affecting the Nervous System
The normality
The Nervous System, Its Defense, and Normal Biota
Central Nervous System / CNS
Brain
Spinal Cord
Peripheral Nervous System / PNS
Ganglia
Nerves
Functions of the Nervous System
Sensory
Integrative
Motor
Dense structures
Neurons
Tough casing
Meninges
Necessary Layers of the Meninges
Dura Mater
Arachnoid Mater
Pia Mater
Provided cushion space (CNS)
Cerebrospinal Fluid
Receives signals
Axons
Transmits signals
Dendrite Cells
Restricted permeability of blood vessels in Brain
Blood-Brain Barrier
Response apparent to complement challenges
Immunologically Privileged
Phagocytic activity
Microglial Cells
Directed activity
Brain Macrophages
Lacking
Normal Biota in the Nervous System
Potential link
Gut Microbiome and Nervous System
Brain Chemistry
Behavioral Changes
Gut-Brain Axis
The manifestations
Infectious Diseases Manifesting in the Nervous System
Inflammation of the Meninges
Meningitis
Photophobia
Headache
Painful or Stiff Neck
Fever
Leukocytosis
Signs and Symptoms of Meningitis
Red or purple lesions
Petechiae
‘Meningococcus’
Gram-Negative Diplococci
Epidemic Form of Meningitis
Neisseria Meningitidis
Neisseria Meningitidis
Causative Agent of Neisseria Meningitidis
Capsule
Endotoxin
IgA Protease
Pathogenesis and Virulence Factors of Neisseria Meningitidis
Droplet Contact
14%
Transmission and Epidemiology of Neisseria Meningitidis
Gram-Stain
Rapid Antigenic Test or Oxidase Test
PCR Test
Culture / Diagnosis of Neisseria Meningitidis
Conjugated Vaccine
Ceftriaxone
Penicillin
Prevention and Treatment of Neisseria Meningitidis
‘Pneumococcus’
Gram-Positive Coccus
Community-Acquired Meningitis
Streptococcus Pneumoniae
Streptococcus Pneumoniae
Causative Agent of Streptococcus Pneumoniae
Capsule
Induction of Apoptosis
Hemolysin and Hydrogen Peroxide Production
Pathogenesis and Virulence Factors of Streptococcus Pneumoniae
Droplet Contact
58%
Transmission and Epidemiology of Streptococcus Pneumoniae
Gram-Stain
CSF
Culture / Diagnosis of Streptococcus Pneumoniae
Prevnar Vaccine
Pneumovax Vaccine
Vancomycin or Ceftriaxone
Prevention and Treatment of Streptococcus Pneumoniae
‘Hib’
Gram-Negative Coccobacillus
Severe Meningitis
Haemophilus Influenzae
Haemophilus Influenzae
Causative Agent of Haemophilus Influenzae
Capsule
Pathogenesis and Virulence Factors of
Haemophilus Influenzae
Droplet Contact
Transmission and Epidemiology of
Haemophilus Influenzae
Chocolate Agar
Culture / Diagnosis of
Haemophilus Influenzae
Hib Vaccine
Ceftriaxone
Prevention and Treatment of
Haemophilus Influenzae
Gram-Positive Coccobacilli
Listeria Monocytogenes
Listeria Monocytogenes
Causative Agent of Listeria Monocytogenes
Intracellular Growth
Pathogenesis and Virulence Factors of Listeria Monocytogenes
Food Vehicle
33%
Transmission and Epidemiology of Listeria Monocytogenes
Cold Enrichment
Rapid Methods
Culture / Diagnosis of Listeria Monocytogenes
Cooking Food or Avoiding Unpasteurized Dairy Products
Ampicillin and Gentamicin
Prevention and Treatment of Listeria Monocytogenes
Chronic Meningitis
Cryptococcus Neoformans
Cryptococcus Neoformans
Causative Agent of Cryptococcus Neoformans
Capsule
Melanin Production
Pathogenesis and Virulence Factors of Cryptococcus Neoformans
Air Vehicle
Dust Vehicle
90%
Transmission and Epidemiology of Cryptococcus Neoformans
Negative Staining
Biochemical Tests or DNA Probes
Cryptococcal Antigen Test
Culture / Diagnosis of Cryptococcus Neoformans
Amphotericin B
Flucytosine
Fluconazole
Prevention and Treatment of Cryptococcus Neoformans
‘Valley Fever’
Tumor-like Meninges
Coccidioides
Coccidioides
Causative Agent of Coccidioides
Granuloma Formation
Pathogenesis and Virulence Factors of Coccidioides
Air Vehicle
Dust Vehicle
Soil Vehicle
Transmission and Epidemiology of Coccidioides
Identification of Spherules
Sabouraud’s Agar
Culture / Diagnosis of Coccidioides
Avoiding Airborne Endospores
Fluconazole or Amphotericin B
Prevention and Treatment of Coccidioides
Aseptic Meningitis
Viral Meningitis
Viruses
Causative Agent of Viral Meningitis
Lytic Infection of Host Cells
Pathogenesis and Virulence Factors of Viral Meningitis
Droplet Contact
Transmission and Epidemiology of Viral Meningitis
Absence of Bacteria, Fungi, and Protozoa
Antigen Test
Culture / Diagnosis of Viral Meningitis
Infection through birth canal
Neonatal and Infant Meningitis
Lancefield Group 5 Streptococci
Streptococcus Agalactiae