Cardiac Angio Flashcards
Where do the R and L coronary arteries branch off of?
Ascending Aorta
What are the branches of the R coronary A?
Anterior
- sinuatrial nodal a.
- conus branch
- atrial branch
- R marginal a.
wraps posterior:
1) right atrioventricular a.
2) right posterolateral a.
3) posterior interventricular a.
What are the branches of the L coronary A?
Anterior interventricular a. -> diagonal a. circumflex a. (wraps posterior) -> left marginal a. -> posterior Left Ventricular A.
What vessels travel together in the Anterior interventricular groove?
anterior interventricular a. and great cardiac v.
What vessels travel together near inferior border of heart?
right marginal a. and small cardiac v.
What vessels travel together up and over the LA?
Circumflex a. and great cardiac v.
What vessels travel together in the posterior interventricular groove?
posterior interventricular a. and middle cardiac v.
What blood vessel(s) supply the Right Atrium?
atrial branch of the RCA
What blood vessel(s) supply the SA Node?
-sinuatrial nodal of RCA (60%) OR circumflex of LCA (40%)
What supplies the conus arteriosus?
-conus branch of RCA or anterior interventricular branches of LCA
What supplies the right ventricle?
right marginal a.
What supplies the left ventricle?
right posterolateral a. (RCA)
posterior left ventricular a. (of circumflex of LCA)
What supplies the AV node?
atrioventricular nodal a. of RCA
What supplies the IVS?
-interventricular septal branch of the anterior (RCA) and posterior (LCA) interventricular a.
What supplies the Bundle of HIS?
anterior interventricular a. (LCA)
interventricular branches of anterior interventricular a. (LCA)
What supplies the R/L bundle branches?
interventricular septal branches of anterior interventricular a. (LCA)
Where does all lymph drain?
via thoracic duct and R lymphatic vessel into the RA vis SVC
What structures are in the superior mediastinum?
thymus and great vessels
What internal structures are located at T2-T4?
- Superior mediastinum (thymus & great vessels)
- inferior border is bottom T4 to sternal angle
What internal structures are located at T5-T9?
heart
middle and anterior mediastinum
What internal structures are located at T9-T12?
part of posterior beneath heart
Where is the Apex of the heart located?
5th intercostal space
What is the right side of the heart protected by?
sternum
What does left dominant supply mean?
atrioventricular a. (LCA) proves most blood supply
Where is the aortic valve located?
2nd intercostal space, right sternal margin
Where is the tricuspid valve located?
5th intercostal space, left sternal margin
Where is the pulmonary valve located?
2nd intercostal space left sternal margin
Where is the bicuspid/mitral valve located?
5th intercostal space, left midclavicular line