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Anaerobic Bacterial Infections Micro L68 (ABOVE DIAPHRAGM (Fusobacterium,…
Anaerobic Bacterial Infections
Micro L68
BELOW DIAPHRAGM
Bacterioides fragilis
SOD + Catalase
B Lactamase
WEAK LPS
Polysaccharide A
ESSENTIAL for abscess formation
Diagnosis:
Bile resistant
Catalase positive
Encapsulated
Intra-abdominal/pelvic abscess
Acute abdomen = fever, sudden pain <24 hr
:pill:
Treatment:
Metronidazole
Carbapenem
Piperacillin
ABOVE DIAPHRAGM
Prevotella
STRONG LPS
Abscess - mouth, pharynx, brain, lung, PID, tubo-ovarian
Fusobacterium
STRONG LPS
Lemierre's Syndrome: jugular vein
suppurative thrombophlebitis
Diagnosis:
Butyric acid
Indole positive
Encapsulated
Fastidious
Peptostreptococcus
Brain abscess
:pill:
Treatment:
Metronidazole
Clindamycin
Amoxicillin-clauvulanate
Causes:
Endogenous:
From other sites of body
Exogenous:
Soil, water, food
Definition:
Grow without O2
No surface growth in 10% CO2 air
Use fermentation
No detox enzymes (SOD/Catalase)
Volatile fatty acids
See table