Pna Flashcards
What is the definition of pneumonia?
Inflammation + consolidation
Inflammation of the VILLI leads to fluid red blood cells, leukocytes, macrophages, bacterial debris which leads to consolidation and eventually atelectasis
Epidemiology of pneumonia
Six leading cause of death and 65 and older
Leading cause of morbidity and mortality in children
Risk factors of pneumonia
COPD
asthma
smokers
heart disease
diabetes mellitus immunocompromised
Etiology
Bacteria
Viruses
fungi
protozoa
parasites
irritating chemicals
Bacteria classified based on their shape
Cocci: staphylo or Strepto
Bacillus
Spirilla
Vibrio
Viruses cause pneumonia by
Depressing immunity leading to secondary bacterial infections
Fungi cause pneumonia by
Fungal spores cause inflammation which leads to cavity formation if I process which leads to ILD patients complications and HIV patients complications
Examples of fungal spores that causes pneumonia
Histoplasmosis
Coccidiomycosis
Classification of Pneumonia
Per location
per Clinical setting in pathogen
Per location classification of pneumonia
Bronchopneumonia
Lobular pneumonia
Interstitial pneumonia
Double pneumonia
Walking pneumonia
Per clinical setting in pathogen classification of pneumonia
Community acquired typical
Community acquired a typical
Hospital acquired
Aspiration pneumonia
Chronic pneumonia
Bronco pneumonia affects what
Affects Sacramento bronchi and surrounding tissue
Lobular pneumonia affects what
Multiple segments of a particular long loop
Interstitial pneumonia affects what
Limited to the interstitium, diffuse usually mycoplasma, viruses
Double pneumonia affects what
Both lungs are involved