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16 Cards in this Set
- Front
- Back
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Formerly a leading cause of infection in children, the incidence of infection has dramatically decreased with the introduction of a vaccine
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Haemophilus Influenzae
Tx:3rd Generation Cephalosporin (Cephtriaxone) Otitis Media: Ampicillin or Amoxicillin Prophylaxis: Hib Vaccine - polyribitol phosphate (PRP) |
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A sexually transmitted disease, results in painful necrotizing genital ulcers (Chancroid). Most infections occur in the tropics.
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Haemophilus Ducreyi
Unilateral painful swollen lymph nodes release pus |
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Causes a paroxysmal cough ending with an inspiratory Whoop as air rushes over the swollen glottis.
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Bordatella Pertussis
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Puritis + fishy smelling dishcharge. Clue cells present.
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Gardnerella Vaginalis
Clue cells are vaginal epithelial cells that contain pleomorphic bacilli in the cytoplasm. Tx: Metronidazole |
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Pontiac Fever (Flu like)
Legionnaires disease (increased fever, severe pneumonia CAP non productive cough) |
Legionella Pneumophilia
aerobic, beta lactamase resistant Tx: Erythromycin, Rifampin |
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Encapsulated A-F B=invasive:
Meningitis - Look out for LPS Epiglottitis - stridor+red cherry at pharynx base Septic Arthritis - infants Sepsis Pneumonia Non-Encapsulated: Otitis Media Sinusitis |
Haemophilus Influenzae
B=Bad Capsule (see N. Meningitidis) Tx:3rd Generation Cephalosporin (Cephtriaxone) Otitis Media: Ampicillin or Amoxicillin Prophylaxis: Hib Vaccine |
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Haemophilus Influenzae Dx:
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Culture on chocolate agar
Quelling Rx Immunoflorecence |
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Blood loving virulence factors X and V are associated with what gram - rod organism
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Haemophilus Influenzae
X factor - Hematin V factor - NAD+ |
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STD's responsible for Chancroid:
Painless Ulcer,Bilateral adenopathy, no pus Painful ulcer with uilateral adenopathy Painless Ulcer, then unilateral adenopathy Painful vesicles + Systemic Symptoms |
Syphilis
Haemophilus Ducreyi Chlamydia - lymphogranuloma venereuum Herpes |
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Bordatella Pertussis
virulence factors |
Pertussis toxin (A Action, B Binds)
Adenylate cyclase - superoxide impairment FHA - attatchment Tracheal cytotoxin - ciliated cell |
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Bordatella Pertussis Tx:
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3 stages:
Catarrhal(mild cough 1-2wks) -Erythromycin Paroxysmal (Whoop 2-10wks) -lymphocytosis Convalescent |
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Bordatella Pertussus Dx:
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Collect with calcium alginate swab (wont grow on cotton)
Grow on Bordet-Gengou medium ELISA serology |
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Legionella Pneumophilia Dx:
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Charcoal yeast extract agar with L-cysteine.
Serology IFA + ELISA Urinary Antigen via immunoassay |
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Cytotoxin kills hamster ovary cells
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Legionella Pneumophilia
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This organism grows in warm, moist environments (contaminated air conditioner systems) and causes a potential life-threatening pneumonia in patients with lung disease.
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Legionella Pneumonphilia
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This organism, often visualized with Dieterle silver stain, also causes a less severe form of pneumonia known as Pontiac Fever.
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Legionella Pneumophilia.
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