TY - JOUR T1 - Unusual coronary sinus anatomy: the vein of Marshall JF - Heart JO - Heart SP - 1007 LP - 1007 DO - 10.1136/hrt.2004.055202 VL - 91 IS - 8 AU - D J Fox AU - A Zaidi AU - A P Fitzpatrick Y1 - 2005/08/01 UR - http://heart.bmj.com/content/91/8/1007.abstract N2 - A 76 year old man with dilated ischaemic cardiomyopathy, severe left ventricular dysfunction, and left bundle branch block was admitted for implantation of a biventricular internal cardioverter-defibrillator. The procedure was performed via the left subclavian approach and pacing leads were implanted into the right atrium and right ventricle. Coronary sinus (CS) angiography … ER -