Obstructive lung disease.
Continuing our discussion.
And here, we’ll be able to
clearly define chronic bronchitis,
compare this with emphysema and
keep in mind, please, once again,
when we’ve looked at
the overview of COPD.
Know the definition and as to how
often times chronic bronchitis
is not only in your
patients with asthma,
which is commonly found in the
US, as a diagnosis,
but could also be seen
with emphysema as well.
Okay, so, let’s go now
with chronic bronchitis.
Well, it’s a fact that literally,
here, up in the bronchi.
So, we’re pretty
proximal, aren’t we,
in terms of your
And so therefore, if the bronchi,
that you see the cartoon here on your left,
then these are undergoing inflammation,
but apart from inflammation,
you also have
production of mucus.
Sounds kind of familiar to asthma or
very similar to asthma, does it not?
So therefore, you’ll have many of your
patients that may then present with
a long standing
If the cough has been present for at least
three months of each of the last two years,
they would meet criteria
for chronic bronchitis.
And so therefore,
the symptoms of asthma
and chronic bronchitis
could be found together.
On your CT here, bilaterally,
in what has been circled,
is the fact that the bronchi
is undergoing inflammation
and it looks dilated and you can
clearly see that here on your chest CT.