Thoracic Cavity
Mediastinum Anterior superior
sterno pericardial
thymus
-
.
ligaments
nodes
•
brachiocephalic
.
lymph
vein
-
some of thymus SVC
.
upper
Middle .
brachia cephalic
pericardium artery
°
-
-
heart •
L common carotid
-
root of great -
blood vessels -
L subclavian
•
phrenic nerves artery
-
bifurcation of •
aortic arch
trachea
-
LN .
phrenic and
vagus nerve
Posterior
.
L recurrent
•
descending laryngeal and
thoracic aorta cardiac nerves
.
esophagus •
trachea and LN
-
thoracic duct
esophagus
-
azygos and
-
hemiazygos veins
-
thoracic duct
* . * *" +.
-
splanchnic nerves
•
sympathetic trunks
-
starts at CG
trachea
-
ends at bifurcation ( bet . 1-4 and 1- 5)
< ~ 5 inches ( 13 ) long
cm
-
diameter : 1inch
superior 10bar
#
↳ before hilum superior
Bronchi middle 10bar
left principal
✓ 10bar
-
Right principal :L inferior lobar
•
2 interior 10bar
-
wider -
narrower
-
shorter -
longer
-
more vertical -
horizontal
Inhaled foreign body
•
more common at
④ bronchus
↳ middle or lower lobe bronchi
?⃝
Mediastinum Anterior superior
sterno pericardial
thymus
-
.
ligaments
nodes
•
brachiocephalic
.
lymph
vein
-
some of thymus SVC
.
upper
Middle .
brachia cephalic
pericardium artery
°
-
-
heart •
L common carotid
-
root of great -
blood vessels -
L subclavian
•
phrenic nerves artery
-
bifurcation of •
aortic arch
trachea
-
LN .
phrenic and
vagus nerve
Posterior
.
L recurrent
•
descending laryngeal and
thoracic aorta cardiac nerves
.
esophagus •
trachea and LN
-
thoracic duct
esophagus
-
azygos and
-
hemiazygos veins
-
thoracic duct
* . * *" +.
-
splanchnic nerves
•
sympathetic trunks
-
starts at CG
trachea
-
ends at bifurcation ( bet . 1-4 and 1- 5)
< ~ 5 inches ( 13 ) long
cm
-
diameter : 1inch
superior 10bar
#
↳ before hilum superior
Bronchi middle 10bar
left principal
✓ 10bar
-
Right principal :L inferior lobar
•
2 interior 10bar
-
wider -
narrower
-
shorter -
longer
-
more vertical -
horizontal
Inhaled foreign body
•
more common at
④ bronchus
↳ middle or lower lobe bronchi
?⃝
