1. Venous Complications After Insertion of a Transvenous Pacemaker
PETER C. SPITTELL, M.D., DAVID L. HAYES, M.D. 
Mayo Clinic Proceedings 
Volume 67, Issue 3, Pages (March 1992)
DOI: /S (12)
Copyright © 1992 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Diagram of fibrous encapsulation of pacemaker lead at vena caval-right atrial junction (see text for explanation).
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1992 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Fig. 2
A, Initial venogram, revealing high-grade stenosis of left innominate vein and large bridging collateral venous channels around area of stenosis (arrow). B, Postvenoplasty venogram, demonstrating large opening in area of previously noted stenosis (arrow). Dilation was sufficient to show passage of pacemaker lead.
(From Spittell and associates.63 By permission of Futura Publishing Company, Inc.)
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1992 Mayo Foundation for Medical Education and Research Terms and Conditions