Cor triatriatum sinister is a rare congenital cardiac anomaly. The anomaly is caused by a fibromuscular membrane that divides the left atrium into two cavities. This membrane can lead to the obstruction of left atrial flow and also create pulmonary venous hypertension. https://www.bekindtopets.com/hot-sale-Osborne-RN3-Big-Wheel-Nursery-Hog-Feeder-best-save/