Infectious Disease of the Respiratory System Flashcards
(26 cards)
Diphtheria
Corynebacterium diphtheriae
Characteristic lesion is tough, asymmetrical, adherent gray-white membrane
Diphtheria
Streptococcal pharyngitis
Streptococcus pyogenes
Elek test. Loeffler serum medium & cystine-tellurite
Diphtheira diagnosis to determine toxigenicty using rabbits or guinea pigs
Streptococcus pyogenes
Streptococcal pharyngitis
beefy red throat, white patches of pus, enlarged tonsils, enlarged and tender cervical lymph nodes
Streptococcal pharyngitis
If untreated can lead to scarlet fever, rheumatic fever & glomerulonephritis
Streptococcal pharyngitis
Acute nonspecific infection of alveoli and lung tissue with fever, productive cough. Diagnosed by weird chest sounds and radiographs
pneumonia
(Pneumonia) Acute onseet, productive cough, dyspnea, chest pain. Crackles, bronchial sounds. Clear chest radiograph
Typical CAP
(Pneumonia) Slow onset, dry cough, myalgia. No physical exam findings. Chest radiograph looks worse than physical therapy
Atypical CAP
Legionellosis
Legionella pneumophila
Legionella pneumophila. Pontiac fever
Legionellosis
Acute pneumonia with anorexia, malaise, myalgia, dry cough, diarrhea, pleural & abdominal pain
Legionellosis
Mycoplasma pneumoniae. Primary Atypical Penumonia
Mycoplasma pneumonia
Gradual onset. Amount of sputum may increase as disease progresses
Mycoplasma pneumonia
Diagnosed by demo of rise in antibody titer between acute and convalescent sera
Mycoplasma pneumonia
(Diagnosis) acid-fast bacilli in sputum. Isolation of bacteria in Löwenstein-Jensen or Middlebrook culture
Tuberculosis
Infected patients show a positive delayed hypersensitivity skin test (Mantoux test)
Tuberculosis
Whooping Cough
Bordatella pertussis
Bordatella pertussis
Whooping cough
1st stage (prodormal/catarrhal): mild, cold-like
2nd (paroxysmal) stage: severe, uncontrollable cough
Ends with prolonged, high-pitched indrawn breath
Whooping cough
Bordet-Gengou agar or Regan-Lowe agar needed as special culture for this bacteria
Whooping cough - Bordatella
Acute viral rhinitis/Acute coryza
Common cold
Rhinovirus
Common cold