heart Flashcards
(29 cards)
know where the coronary sinus is
which veins converge to form SVC
left and right brachiocephalic veins (INOMINATE VEINS)
which internal jugular vein would give easier access for placing lines in (to deliver drugs or measure venous pressure)
right
what large vein drains into posterior aspect of SVC
azygous
what parts of the mediastinum does the azygous vein occupy
posterior and superior
what 2 veins correlate to azygous on left side of thorax
accessory and hemi-azygous vein
the azygous system drains posterior intercostal intercostal veins, which vessel does anterior intercostal veins drain
internal thoracic vein
the thumbprints sized depression on septum between atria is called what, what metal structure has it replaced
fossa ovalis
replaced the foramen ovale
what are the names of the valves on the left and right side of hear
right = tricuspid
left = mitral/bicuspid
whats the area b/w tricuspid valve, opening of coronary sinus and tendon of todaro known as
triangle of koch
what is located at the apex of the triangle of koch
atrioventricular node
leaflets of the valves are tethered to papillary muscles by what
chordae tendineae
what caries conductive fibres
moderator bands
moderator band carries conductive fibres on short cut across RV to R anterior papillary muscle, why
to ensure ventricles contract at sam time
know what papillary muscles and moderator band looks like on heart
bifurcation of pulmonary trunk is associated with ligament arteriosum (fibrosed remnant of metal ductus arteriosus) which normally constricts within 24 hours of birth due to reduced vascular resistance in pulmonary circuit, becomes ligamentous in 2 weeks
- KNOW WHERE THE LIGAMENTUM ARTERIOSUM IS
what is a saddle pulmonary embolism
lengthy cylinder of deep vein thrombus (DVT) relocates and risks blockage of pulmonary circulation in lungs
note that on a CT, if you are at the level where you can see the 2 branches of the pulmonary trunk, then it is the SVC not IVC
auricle is a small muscular pouch attached to the upper anterior right atrium, which extends along the right lateral margin of the aortic root.
what chamber of the heart is most posterior
left atrium
the left atrium/auricle is most common site of cardiac thrombus, whats big risk associated with this
cerebral stroke
what aortic stenosis and its biggest cause
occurs when the aortic valve narrows and blood cannot flow normally.
-calcification of valve
know all the coronary arteries and veins - refer to images know what they look like
what are the 3 layers of the heart
- fibrous pericardium (outermost)
- parietal layer of serous pericardium
- visceral layer of serous pericardium (aka epicardium)
