Respiratory infections Flashcards

1
Q

Predisposing factors of pulmonary infections

A

Decreased cough reflex
Injury to cilia
Decreased function of alveolar macrophages
Edema or congestion
Retention of secretions

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2
Q

Classification of pneumonia

A

-clinical setting

-by organism
by morphology

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3
Q

Causative agent for bronchopneumonia

A

Streptococcus pneumoniae, Haemophilus influenza, Staphylococcus aureus

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4
Q

causative agent for lobar pneumonia

A

Streptococcus pneumoniae
Klebsiella, Legionella)

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5
Q

pathogenesis of lobar pneumonia

A

Exudation of fibrin-rich fluid
Neutrophil infiltration
Macrophage infiltration
Resolution

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6
Q

macroscopic pathology of lobar pneumonia

A
  1. Congestion
  2. Red hepatisation
  3. Grey hepatisation
  4. Resolution
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7
Q

complications of lobar pneumonia

A

Organisation (fibrous scarring)
Abscess
Bronchiectasis
Empyema (pus in the pleural cavity

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8
Q

complications of bronchopneumonia

A

Organisation
Abscess
Bronchiectasis
Empyema

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