1. Congenital foramen of the left pericardium
Kenneth R Bennett, MD 
The Annals of Thoracic Surgery 
Volume 70, Issue 3, Pages (September 2000)
DOI: /S (00)01287-X

2. Fig 1
Electrocardiograms: (A) initial recording (12 lead); (B) precordial leads recorded approximately 36 hours later, “coving” of ST with negative T wave. (C) Precordial leads recorded 11 days later and 13 days from pain episode, exhibit a symmetrically negative T wave typical of coronary insufficiency.
The Annals of Thoracic Surgery  , DOI: ( /S (00)01287-X)

3. Fig 2
The “aneurysm” distorts the left border of the heart. Note bulge due to ventricular herniation is lower than would be expected if only the left atrial appendage protruded. Indentation of the ventricle by the inferior rim of the defect (arrow).
The Annals of Thoracic Surgery  , DOI: ( /S (00)01287-X)