1. Middle and posterior cardiac veins: An underused option for ventricular pacing 
Henry M. Spotnitz, MD, Daniel Y. Wang, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 143, Issue 5, Pages (May 2012)
DOI: /j.jtcvs
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Posteroanterior (A) and lateral (B) radiographs of patient 1 with DDD pacemaker, including ventricular pacing with a bipolar lead in a posterior cardiac vein. This patient had previously undergone 3 cardiac operations, including tricuspid valve replacement with a mechanical prosthesis.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Posteroanterior (A) and lateral (B) radiographs of patient 2 with biventricular pacemaker, including ventricular pacing with a bipolar lead in a posterior or middle cardiac vein. This patient had previously undergone 5 cardiac operations, including 3 tricuspid valve replacements with a bioprosthesis.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions