Provided video discusses about Ebstein's anomaly, the structural defects found in it and how it gets better with the progression of age after birth and what's the mechanism behind it. Timeline: 0:00 - Cause of having Ebstein's anomaly 0:51 - Structural defect in Ebstein's anomaly 2:55 - Mechanism behind cyanosis in Ebstein's anomaly 4:42 - How the disease gets better as the child becomes older