1. Formation and Spontaneous Closure of an Arteriovenous Fistula After Transvenous Pacemaker Placement 
Michael A. Zullo, M.D., Donald C. Wallerson, M.D., Samuel Lang, M.D. 
CHEST 
Volume 100, Issue 2, Pages (August 1991)
DOI: /chest
Copyright © 1991 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Suprasternal view from color Doppler echocardiographic study of subclavian artery (SA) and subclavian vein (SV), showing turbulent pan-cyclic flow of AVF (FF) during initial study. Presence of multiple colors in jet indicates turbulence of flow.
CHEST  , DOI: ( /chest )
Copyright © 1991 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Suprasternal view through same area of subclavian artery (SA) and subclavian vein (SV), showing no evidence of fistulous flow in follow-up study.
CHEST  , DOI: ( /chest )
Copyright © 1991 The American College of Chest Physicians Terms and Conditions