NUR 406 Cardiac
- Left main coronary artery
Answer This is a very short nature before it branches
Left Anterior descending or anterior interventricular artery Supplies blood to the left and right ventricles & much of the interventricular septum to the apex
- circumflex
Answer Supplies blood to the Left atrium Lateral wall of LV
- right coronary artery
Answer Conus which supplies blood to the upper RV Right marginal which supplies blood to the RV apex
Posterior descending which supplies blood to the smaller branches of both ventricles and somewhat posterior
- SA node
Answer RCA supplies this in 63% of the people LCA supplies in 37% of the people
- AV node
Answer RCA posterior branch in 90% of people LCA supplies in 10% of people
- V1
Answer 4th intercostal space at the sternum 1 / 2
- V2
Answer 4th intercostal space left at the sternum
- V4
Answer 5-6 intercostal space midclavicular
- v3
Answer between V2 and V4
10. V5
Answer
- or 6th intercostal space anterior axillary line
11. V6
Answer
- or 6th intercostal space mid axillary line
- leads 2, 3, and Avf
Answer are inferior lead fed by right coronary artery, we worry about SA and AV nodes if these leads are affected
- Avr
Answer non diagnostic, shows if leads are on right
- stroke volume
- / 2
Answer volume of blood ejected with each contraction. Determined by preload and after load. Normal 60-100 ml/beat