Fig. 2From: Echocardiographic imaging of a bifurcated double barrel coronary sinusLower Esophageal coronary sinus long axis view demonstrating the retrograde coronary sinus catheter placed within one of the bifurcated lumens. The acute angle of the second bifurcated sinus lumen to the catheter illustrates the anatomical hurdles to adequate retrograde cardioplegiaBack to article page