Fibrosis Asthma Emphysema: Cause
Fibrosis Asthma Emphysema: Cause
Fibrosis Asthma Emphysema: Cause
Asthma
Emphysema
Cause
Allergy
1-Smoking
-1)infection eg
turberculosis
1)Dust
2-AIR POLLUTION
2)Pollen
-2)Asbestos
-3)dust
1-The scar tissue
around the epithelia of
the alveoli thickens the
epithelium and causes
cavities ,(holes).
2-This increases the
diffusion pathway .
3-There is also some
loss of elastin so there
is Less recoil and
3-Mucus secreted by
goblet cells blocks the
airways even more
This results in
Difficulty
Shortness of
breathing
breath
Wheezing.
Fatigue weakness
tight chest
Faster breathing
coughing
rate so more ATP
needed
Dry cough
(mucus not
produce
shortness of
breath because
less oxygen
chronic cough
tierdness