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28 Cards in this Set

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  • Back
Sinus pain; low grade fever (sinusitis)
(a) MCC
(b) pathogenesis
(c) treatment
(a) MCC: strep pneumo, H, flu, morzella catarrhalis
(b) pathogenesis
S pneumo: capsule, IgA protease
H flu: capsule, IgA protease, endotoxin
Moraxella: beta lactamase
(c) S pneumo: penicillin
H flu: amoxicillin
Moraxella catarrhalis: ceftriaxone
Sore mouth w/thick white coat that can be scraped off easily to reveal painful red base
(a) MCC
(b) pathogenesis
(c) treatment
(a) MCC: candida albicans
(b) pathogenesis: overgrowth of normal flora, IC, overuse of antibiotics
(c) treatment: nystatin
Inflammed tonsils/pharynx, abscesses, cervical lymphadenopathy, fever, stomach upset, sandpaper rash
(a) MCC
(b) pathogenesis
(c) treatment
(a) MCC: GAS
(b) pathogenesis: exotoxin A
(c) treatment: penicillin
White papules w/red baseon posterior palate and pharynx, fever: MCC?
Coxsackie A; no treatment
Pharyngitis w/severe fatigue, lymphadenopathy, fever +/- rash
(a) MCC
(b) pathogenesis
(c) treatment
EBV; infect B lymphocytes by attachment of CD21; cause incr CTL's; supportive treatmen
Low grade fever w/1-2d onset of membranous nasopharyngitis and/or obstructive laryngotreacheitis; abnormal ECG unvaccinated; bull beck from lymphadenopathy
(a) MCC
(b) pathogenesis
(c) treatment
Corynebacterium diptheriae; diptheria toxin inactivates EF2 in heart, nerves, epithelium; pseudomembrane can cause airway obstruction; treat w/penicillin/antitoxin
Rhinitis, sneezing, coughing; seasonal peaks: MCC(s)?
Rhinovirus (summer/fall)
Coronovirus (winter/spring)
Red, bulging tympanic membrane; fever
(a) MCC
(b) pathogenesis
(c) treatment
S pneumo/capsule, IgA protease/penicillin
H flu/capsule, IgA protease, endotoxin/amoxicillin
Moraella catarrhalis/beta lactamase/ceftraixone
Ear pain w/otitis externa
(a) MCC
(b) pathogenesis
(c) treatment
S aureus/normal flora enter abrasions/beta lactamase resistance penicillin
Candida albicans/normal flora enter abrasians/nystatin
Proteus
Pseudomonas/water source
Malignant otitis externa/severe ear pain in diabetic/life threatening
(a) MCC
(b) pathogenesis
Pseudomonas/capsule
Inflamed epiglottitis; often 2-3 yrs old and unvaccinated
(a) MCC
(b) pathogenesis
(c) treatment
H flu, capsule, IgA protease, ceftriaxone
Infant w/fever, sharp barking cough, inspiratory stridor, hoarse phonation
(a) MCC
(b) pathogenesis

(c) treatment
Parainfluenza (croup)/viral cytolysis w/multinucl giant cells; ribavirin
Bronchitis; wheezy; infant or less than 5YO
(a) MCC
(b) pathogenesis

(c) treatment
RSV; fusion protein creates syncitia/ribavirin
Bronchitis greater than 5YO
(a) MCC
(b) treatment
Mycoplasma, viruses
Treat symptomatically
Typical lobar pneumonia: adults (incl alcoholics) w/rusty sputum
(a) MCC
(b) pathogenesis
(c) treatment
S pneumo/capsule, IgA, third gen ceph or azithromycin
Hflu/capsule, IgA protease/3rd gen ceph, azithromycin
Typical pneumonia: neutropenic patients, burn patients, CGD, CF: MCC?
Pseudomonas
Typical pneumonia: foul smelling, aspiration possible: MCC
Anaerobes/mixed infection
Typical pneumonia: alcoholic, abscess, aspiration, capsuled organism, currant jelly sputum: MCC and pathogenesis?
Klebsiella; capsule
Atypical pnuemonia: poorly nourished, unvaccinated baby/child; giant cell pneumonia w/rash
MCC, pathogenesis, treatment?
Measles, cytolysis in LN, skin, mucosa; supportive treatment
Atypical pneumonia: teens/young adults; dry cough "walking pneumonia"
MCC; pathogenesis; treatment?
Mycoplasma; adhesins to adhesion to mucus; O2 radical cause necrosis of epithelium; tetracyclin/erythromycin
Atypical pneumonia: air conditioning; common showers esp >50YO, heavy smoker/drinker
MCC; pathogenesis; treatment?
Legionella; intecellular in macs; erythromycin
Atypical pneumonia: bird exposure +/- hepatitis
Chlamydia; obligate intracellular; tetraceclin/erythromycin
Atypical pneumonia: AIDs patients w/staccato cough; "ground glass" x ray; premature infants
Pneumocystis jiroveci; attaches to type I pneumocytes, causes excess replication of type II pneumocytes; TMPSMX, pentamidine
Acute pneumonia: >55YO, HIV+, or immigrants from developing country w/B symptoms: MCC
MTB
Acute pneumonia w/chronic cough, B symptoms, dusty environment w/bird or bat fecal contamination (missouri, ohio river valley): MCC, pathogenesis, treatment
Histoplasma, facultative intracellular, ampB
Acute pneumo w/chronic cough, wt loss, night sweats desert sand SW US
MCC, diagnosis, treatment
Cocci, endospores in spherules, ampB
Acute pneumonia: rotting, contaminated wood, east coast: MCC, treatment
Blasto, ketoconazole
Sudden acute respiratory syndromes: "four corners"
MCC, treatment
Hantavirus, ribavirin