Chest Flashcards
Level of pulmonary artery
3rd costal cartilage
Which valves have chorda tympani
Tricuspid and Mitral
rough ventricular sides where chorda tympani attach to papillary muscles
Which valves are tricuspid
Aortic, Pulmonary, Tricuspid
Which of the cusps on the mitral valve is bigger
Anterior
Level of mitral valve
4th costal cartilage
Branches of RCA
marginal
posterior descending
Branches of LCA
LAD
circumflex
Branches of coronary sinus
small cardiac vein
great cardiac vein
middle cardiac vein
Pairs of coronary arteries and veins and locations
marginal + small cardiac - lower border
posterior descending + middle cardiac - posterior IV groove
LAD + great cardiac vein - anterior IV groove
Which coronary artery supples SAN and AVN
RCA - posterior descending
80% AVN and 60% SAN
Where do the cardiac plexuses sit in relation to the trachea and great vessels?
anterior to bifurcation of trachea
Anterior to pulmonary trunk
Posterior to aorta
Layers of muscular wall
epicardium
myocardium
endocardium
Relations to the pericardium
anterior - sternum, 3-6 costal cartilages, thymus,anterior lung edges and pleura
posterior - oesophagus, descending aorta, T5-8 vertebrae
lateral - lung roots, phrenic nerves, mediastinal pleura
Contents of superior mediastinum
lower trachea
oesophagus
thoracic duct
aortic arch
inominate arteries and veins
parts of carotid and subclavian arteries
upper SVC
phrenic nerve
vagus nerve
left recurrent laryngeal nerve
cardiac nerves
lymph nodes
thymus remnants
Contents posterior mediastinum
descending aorta
oesophagus
vagus and splanchnic nerves
azygos and hemiazygos vein
throacic duct
mediastinal lymph nodes
