I am sending in En refs. for your various queries:
http://216.239.59.104/search?q=cache:oBXNt_Y3MmMJ:www.hcp.me... 1st LPL = First left posterolateral branch segment of the Left Circumflex Artery Branch
http://www.medical.philips.com/main/news/assets/docs/medicam... 1st OM = First obtuse marginal branch of the circumflex coronary artery
Angiographic Methods to Assess Human Coronary Angiogenesis
The coronary anatomy is divided into the following defined segments for ... (A1, A2, A3) Acute marginal arteries (CASS 42, 43, 44): The longest 3 arteries ...
www.medscape.com/viewarticle/417667_12 - Similar pages
Ac. Marg (1) = A1, Acute marginal artery
Images
The AV node artery and the 1st septal artery, a branch of the left anterior ... heart block/ph ysiopathology From: The Section of Cardiac Anatomy, ...
www.pubmedcentral.gov/articlerender.fcgi?artid=325521 - Similar pages
1st Septal = First septal artery
http://216.239.59.104/search?q=cache:atzfdQKF5HwJ:www.jsnm.o... Inf-septal: infero-septal region