1. New-onset postoperative atrial fibrillation: A riddle wrapped in a mystery inside an enigma 
Adam E. Saltman, MD, PhD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 127, Issue 2, Pages (February 2004)
DOI: /j.jtcvs

2. Figure 1 Reentry in the end strand of a Purkinje fiber.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )

3. Figure 2
Normal atrial muscle demonstrating multiple branches and joinings.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )

4. Figure 3
Arachidonic acid reversibly decreases conduction along the fiber axis.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )