Cardiac anatomy
From IDWiki
Coronary arteries
- Right coronary artery (RCA): AV and SA node (60%)
- Posterior descending artery (70% RCA, 10% LCA): posterior 1/3 of interventricular septum
- Right marginal artery
- Left coronary artery (LCA): left atrium and ventricle (anterolateral myocardium and apex) and the interventricular septum
- Circumflex artery: SA node (60%)
- Left anterior descending artery (LAD): anterior 2/3 of interventricular septum
- Left marginal artery