Thorax Flashcards
At what vertebral level is the xiphoid process located?
T10
At what vertebral level is the sternomanubrial joint found?
T5
Which are the true ribs?
1-17
Costal muscles?
External intercostal (+membrane costochondrally) Internal intercostal (+membrane from costal angle) Innermost intercostal (+transversus thoracis and subcostalis)
Vertebral level of diaphragm hiatuses?
Vena cava - T8
Oesophagus - T10
Aorta - T12
Level of trachea bifurcation?
T4
Level trachea begins?
C6
At what vertebral level does the trachea divide into the two main bronchi?
T5-7
Structures and position of vessels in hila?
Bronchus/Bronchi (R)- most posterior
Pulmonary vein/veins - most inferior and a bit anterior
Position of pulmonary artery to bronchus - RALS
Where are the borders of the rib in the midclavicular, midaxillary, and midscapular line? Where are the borders of the parietal pleura in these places?
Midclavicular - Rib 6 + Rib 8
Midaxillary Rib 8 + Rib 10
Midscapular Rib 10 + 12
The oblique fissure follows the course of which rib?
The transverse fissure is at which rib level?
Oblique follows sixth(?) rib
Transverse ~rib 4(?)
The posterior border of each lung extends the length of which vertebral levels?
From C7 to T10/11
Where does the thoracic duct commence (vertebral level), and what is it called at this point?
L1 as cisterna chyli
Where does the thoracic duct drain to?
Left subclavian/internal jugular vein angle
Brachiocephalic vein
Right lymphatic duct drains into…?
Right subclavian
