Pathology: Infections Flashcards
what causes consolidation in pneumonia?
fluid filled spaces
name two viruses that can cause pneumonia?
influenza
parainfluenza
name two pathogens that cause pneumonia more commonly in immunocompromised people?
chlamydia
mycoplasma
what is lobar pneumonia?
consolidation involving a whole lung lobe
what organism most commonly causes lobar pneumonia?
streptococcus pneumoniae
what are four possible complications of pneumonia if the tissue doesnt return to normal?
fibrosis
abscess
bronchiectasis
empyema
what causes bronchopnuemonia?
infection in an airway that spreads to an alveolar lung
what patients more commonly get bronchopneumonia?
those with existing respiratory disease
name three things that can cause bronchopneumonia
infective exacerbation of COPD
viral infections
aspiration of gastric contents
what pathogen is the most common cause of bronchopneumonia in someone with COPD?
haemophilus influenzae
name four possible complications of bronchopneumonia?
scarring
abscess
bronchiectasis
empyema
what is a lung abscess?
a localised collection of pus in the lung
name two common symptoms of a lung abscess
malaise
fever
what is a common cause of a lung abscess?
aspiration
what is bronchiectasis?
abnormal fixed dilatation of the bronchi
