Station 3 Flashcards
What is the first potion of the ascending aorta called, right above the AV cusps?
Aortic Sinus
Where to the RCA and LCA originate?
The aortic sinus
What are the divisions of the LCA?
LCA divides immediately into the LAD and circumflex artery
LAD in the anterior IV septum, gives rise to diagonal branch.
Circulflex artery runs along the left coronary sulcus gives rise to left marginal branch
Circumflex continues to the posterior portion of the AV groove to give rise to the PDA in 15% of cases
What are the divisions of the RCA?
RCA runs along the Right AV groove, gives rise of a right marginal branch
Continues to the posterior AV groove and gives rise to the PDA in 85% of cases
Where does coronary sinus drain?
RA
Which arteries does great cardiac drain run with?
LAD, circumflex, then becomes coronary sinus posteriorly, drains into RA
Which arteries does the middle cardiac vein run with?
The PDA
Which arteries does the Small cardiac vein run with?
The R marginal branch artery
Where do the anterior cardiac veins drain?
They run into the anterior surface of the RV, and drain directly into the RA
What views are coronary angiograms taken from?
RAO: Right Anterior Oblique - x-rays are directed from the right/anterior side, pass through the heart, and strike the film on the left/posterior side of the patient
LAO: Left Anterior Oblique - x-rays are directed from the left/anterior side, pass through the heart, and strike the film of the right/posterior side of the patient
Where is the catheter used to obtain coronary angiograms usually inserted?
What course does it take to reach the origins of the RCA and LCA
Femoral artery.
Courses up the femoral artery, into the common iliac artery, into the abdominal aorta, into the descending aorta, through the arch of aorta, down the ascending aorta to the aortic sinus where the L and R coronary arteries originate
