Zero on the Celsius scale (0 Â°C) is now defined as the equivalent to 273.15 K, with a temperature difference of 1 deg C equivalent to a difference of 1 K, meaning the unit size in each scale is the same.
Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.Normally, the atria are separated by a dividing wall, the interatrial septum.trial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.
Ventricular septal defects are the second most common defect. Ventricular septal defect occurs in about 25% of all infants born with a heart defect. These defects are more common in premature infants. Treatment for ventricular septal defect include reduce symptoms with medications, antibiotics, or surgery.