Um2 Flashcards
Alcoholism IVDU
Klebsiella
S. pneumoniae
S aureus
Aspiration
Anaerobic pneumonia
bacteroides klebsiella fuso pepto
Unprotected airway alcohlo or drug overdose or seizure + gingivitis
Complications- abscess empyema
Cystic fibrosis
S pneumoniae
S aureus
Pseudo
Immunocompromised
Pneumocystis jirovecii
S auerus
Gram(-) bacilli
Virus fungi
Nosocomial
Pseudomonas
Klebsiella
S. aureus
Gram(-) bacilli
Post viral
S aureus
S pneumoniae
H influenzae
Recent Hotel stay or ship cruise
public bathrooms
Contaminated air conditioning
Shower heads
Artificial aquatic environment
Tubing systems of domestic water supplies
Legionella
- fastidious gram(-) bacilli poor gram stain
BCYE agar
Growth characteristics
catalase(+)
oxidase(+)
produce beta lactamase gelatinase
hydrolyzes hippurate
Ag- protease phosphatase lipase DNase RNase
Metalloprotease hemolytic and cytotoxic
Pathogenesis of legionella
inhalation of bac from aerosol generated from contaminated air conditioning systems shower heads
No person to person contact
Damage to vascular endothelium in multiple organs brain and kidneys
Major virulent factor lipopolysaccharide endotoxin
Clinical findings of legionella
Legionnaires’ disease ( fever chills malaise nonproductive cough diarrhea delirium
Pontiac fever
Risk factor- elder male chronic smoker copd
Bronchiectasis
Cystic fibrosis
Pseudomonas aeruginosa
Smoking copd
S. pneumoniae
H influenzae
Legionella
Post influenza pneumonia
S aureus
Klebsiella
HAP
Gram(-) bacilli anaerobe
Large polysaccharides capsules— mucoid growth
Culture- grow readily on simple media nutrient agar
Mac conkey agar - Lactose fermenter pink colonies
Ag structure— O or somatic ag
Large capsules K ag covering H or O ag
produce beta lactamase
lobar pneumonia, Hg necrotizing consolidation of lungs
alcohol use IVDU impaired host defenses
Debilitated
“currant jelly”sputum (blood/mucus)
Mycoplasma
Cell wallless
Walking pneumonia
Attachment of tip to receptor of res tract epithelial cells surface
Atypical CAP in 5-20 yr
Fried egg appearance
cold hemagglutination
Paragonimus westermani
Lung fluke trematodeparasite
acquired by eating crustaceans containing infective—metacercaria
intestine — lungs
Adults-within fibrous cysts-connect bronchi
Bronchopneumonia— chest pain— difficulty breathing—
Confused with lung cancer tb and fungal infection
