Anatomy Thorax FInal Flashcards
R phrenic n. follows arteries or veins?
veins
L phrenic n. follows arteries or veins?
arteries
R vagus n follows air, food or arterial route? then?
air route, then food route
L vagus n. follows air, food or arterial route? then?
arterial route, then food route
Drivers of respiration (4)
- medullary inspiratory center
- central medullary chemoreceptors
- peipheral carotid and aortic chemoreceptors
what PaO2 are the chemoreceptors sensitive to?
<60mmHg
midclavicular line
ribs 6,7
vertical, nipple line
midaxillary line
rib 8
lateral, armpit
infrascapular line
rib 10
Angle of Louis
carina
2nd ICS
Aortic arch beginning
T4-T5 spinal level
Lymphatic drainage -> from hilum
hilum-> trachea-> supraclavicular node= virchows node
lymphatic drainage-> from breast
breast-> axilla (75%) of malignancies
breast-> internal mammary (25%)
brachial plexus
C5-T1
Brachial salute C5
arms out like a T
Brachial salute C6
Flexes (popeye)
Brachial salute C7
extending back to a T
Brachial salute C8
Tunde’s dumbbell hold (arms out wide)
Brachial salute T1
moving fingers
Saturday night palsy
extensor or flexor?
sx?
radial nerve palsy
extensor
wrist drop, numbness to back of hand, can’t straighten fingers
latissmus dorsi function?
climbing (mokeys at zoo)
serratus anterior m function?
shoulders thrust forward m
Rotator cuff acronym: S I T S
S- supraspinatus
I-infraspinatus
T- Teres Minor
S- Subscapularis
Splanchnic neves
T5-L2?
Posterior mediastinum contents?
descending aorta
esophagus
venous (hemiazygous, azygous v)
