Please enable JavaScript.
Coggle requires JavaScript to display documents.
Listeriosis - Coggle Diagram
Listeriosis
Pathogenesis
Enter through GIT
Invasion into Human Cells
Ability to Pass Placenta, Enter Meninges & Invade GIT
ActA - Induce Host Cell Actin Polymerization
Listeriolysin - Escape from Phagosome
Risk Factor
Pregnant
Neonates
Elderly
Immunocompromised
Treatment
Trimethoprim-Sulfamethoxazole
Ampicillin & Gentamicin
Ampicillin & T-S
Not Required for Listeria Gastroenteritis
Laboratory Diagnosis
Specimen
Blood
CSF
Vomitus
Meconium
Culture
Sheep Blood Agar (Small Zone of Hemolysis)
Gram Stain
Prevention
No Immunization
Limit Exposure
Trimethoprim-Sulfamethoxazole
Clinical Features
Non-Invasive
Self-Limiting (1-3 Days)
Febrile Gastroenteritis
Fever, Chills
Headache, Myalgias, Abdominal Pain
Diarrhea
Invasive
Neonates
Early Onset
Granulomatosis Infatiseptica
Late Onset
Meningitis
Adults
Insidious to Fulminant/Nonspecific
Meningoencephalitis
Bacteremia
Focal Infections (Rare)
MOT
Ingestion of
Unpasteurized Milk Products
Undercooked Meat
Raw Vegetables
Causative Agent
Listeria Monocytogenes
Gram + Pleomorphic Rods
Motile/Facultative Anaerobes