clear1x1.gif
clear1x1.gif
clear1x1.gif
CarddiologySite logo
Coronary Angio:
Auscultation:
Cardiology Quiz:
Site Info:
 
Home
 
Site Map

 

clear1x1.gif clear1x1.gif
Prior Page Left Coronary Artery LAO/Cranial View 1 Next Page
When you have completed review of this screen, please click the "Next page" blue arrow for the second portion of this section.
  The LAO view with a 15 to 30 degrees cranial angulation is an excellent view that:
  • lays out the left main coronary artery
  • lays out the proximal left anterior descending artery
  • projects the origin and trunk of the ramus intermediate and first diagonal downwards to avoid overlap by the proximal circumflex.
The rotating animation on the left demonstrates the left coronary artery in the 25 degrees CRANIAL projection with varying degrees of LAO rotation (15, 30 and 45 degrees). Notice how each rotation differs in its ability to display the origin of the Dx, OM, LPLA and LAD. For example, there is severe overlap of the OM and LPLA branches in the LAO 15 view but not in the LAO 50 projection, and even this may differ from one patient to the next. Thus, there is no magical projection that can be applied to all patients.
The projections need to be tailored to fit a specific need. This is all the more importance when one attempts to rule out disease in a specific segment of a branch, or when tries to clear overlapping vessels during a percutaneous coronary intervention. 
NOTE: CRANIAL VIEWS ARE BETTER FOR DISPLAYING THE Dx BRANCHES WHILE CAUDAL VIEWS ARE USUALLY NEEDED FOR SEPARATING THE OM BRANCHES .
  When you have completed review of this screen, please click the "Next page" blue arrow for the second portion of this section.
Prior Page Left Coronary Artery LAO/Cranial View 1 Next Page
©1999-2010 A.S.M. Systems, Inc. All Rights Reserved, including design and all contents that include graphics and animations.
clear1x1.gif
clear1x1.gif
clear1x1.gif