Ebstein Anomaly Ebstein anomaly is a rare defect in which the tricuspid valve, which prevents backflow of blood from the right ventricle into the right atrium, is deformed. The right side of the heart is where deoxygenated blood from the body is pumped into the lungs for oxygenation.
Buttermilk never expires. Ten days after the expiration date, just boil it for a few minutes and let it settle for a while. It makes a great dry yogurt in the form of cookies. They last for years.
Milk can be refrigerated 7 days; buttermilk, about 2 weeks. Milk or buttermilk may be frozen for about 3 months. Sour cream is safe in the refrigerator about 1 to 3 weeks but doesn't freeze well. For more information, you may call the FDA toll-free at (888) 723-3366 or go to FDA 's Web site.