Class notes
Anatomy of the airways and lungs
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Lecture notes of 9 pages for the course Medicine at QUB (Anatomy)
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AIRWAYS LUNGSThe inferior line of reflection of the pleural sac extends 2
rib levels more inferiorly than the lung itself
The pleuralcavity can be
visually
inspected via a thoracoscopy
i
If a
mesothelial layer e.g
pleura peritoneum or serous pericardium
is injured I inflammed it
may react by
depositing fibrin and adhering the parietal
and visceral adhesions
layerstogether
In the pleura this is sometimes done
on purpose Cpleurodesis using irritating powers this can
preventrecurringlung collapse as the visceral cannot
layer
pull away from the parietal layer
, auscaltation
Lung
Quiet Reduced entry e g pleural effusion pneumothorax not
breathingdeepenough
Harsh bronchial I l f over
lungs suggests consolidation
Wheeze Highpitch e g asthma or obstruction byforeignbody
Crackles popping Sound due to sudden openingof collapsed airways
e
g COPD pneumonia
Pleural rub walking on Snow due to in f lammed pleura rubbing
together
An
Triangle of auscultation area on the posterior chest wall
with minimal underlying
muscle
The borders are Trapezius
latissimus dorsi
Medial border of scapula
Pt cross arms t bend forward scapulaprotection
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