Flashcards in Thorax 1 Deck (37)
Between which ribs does the breast lie?
2 - 6
What is the primary movement(s) initiated by pec major?
Shoulder flexion & adduction
What is the function of pec minor?
Stabilises the scapula
What is the primary movement(s) initiated by lat dorsi?
Shoulder extension & adduction
What is the primary movement(s) initiated by serratus anterior?
Scapular protraction and rotation in shoulder abduction
Name the 3 groups of lymph nodes involved in breast lymph drainage.
In relation to pec minor, where do the anterior nodes lie?
In relation to pec minor, where do the central nodes lie?
In relation to pec minor, where do the apical nodes lie?
List in order the severity groupings for the 3 groups of lymph nodes.
Anterior - G1
Central - G2
Apical - G3
What structures make up the thoracic inlet?
1st Ribs & cc's
Where does the subclavian vein lie in relation to the artery?
From anterior to posterior, list the arteries, veins and nerves that pass through the thoracic inlet.
Inferior trunk of brachial plexus
What structures make up the thoracic outlet?
11th & 12th ribs
cc's of ribs 7, 8, 9 & 10
What is the thoracic outlet closed by?
At what vertebral level does the vena cava pierce the diaphragm?
At what vertebral level does the aorta pierce the diaphragm?
At what vertebral level does the oesophagus pierce the diaphragm?
Name the two times of pleura.
Based on their positioning, the regional pleura can be named independently. What are the four regional names given to the pleura?
Where does the apex of the pleural region lie with respect to the clavicle and the 1st ribs?
Above the clavicle
Below the 1st ribs
List the (very important) four corners of the heart.
3rd Rt cc
6th Rt cc
Lt 5th interspace
2nd Lt cc
At which vertebral level does the superior mediastinum turn into the inferior mediastinum?
In which region of mediastinum does the thymus lie?
With regard to mediastinum positioning, where does the pulmonary trunk bifurcate?
Just inferior to the superior mediastinum
The inferior mediastinum can be divided into two further subdivisions. What are the names of these subdivisions?
List the 4 main structures present in the posterior mediastinum.
When looking at a cross sectional (transverse) image, for example a CT or MRI scan, where are you looking from?
General rule: foot of the bed with patient lying on their back
Origin and insertion of Pec Major.
Clavicle, cc's & sternum
Humerus (ant. intertubercular groove)
Origin and insertion of Pec Minor.
Origin and insertion of Lat Dorsi
Iliac crest, lower thoracic & lumbar spinous processes
Humerus (floor of intertubercular groove)
Origin and insertion of Serratus Anterior
Medial border of scapula
Where is lymph drainage of the breast to?
Axillary & Internal thoracic lymph nodes
Where is blood supply of the breast from?
Axillary & Internal thoracic arteries
Contents of anterior mediastinum?
Contents of superior mediastinum?