<prompt> Judkins technique used for?Central venous line placementCoronary aeriographyRenal aniographyChest tube inseion  <response>: Catheters used for performing coronary angiography the femoral aery were developed by Melvin Judkins, MD; thus, the method often is referred to as the Judkins technique. This widely used method requires separate preformed catheters for the right and left coronary aeries . Ref -davidson 23rd edition pg 491 