Patient/caregiver was educated regarding normal functioning of tricuspid valve as follows: Tricuspid valve is the valve on the right side of heart, between right atrium and right ventricle. Tricuspid valve opens when the right atrium contracts, allowing deoxygenated blood from the right atrium to be pumped into the right ventricle. Contraction of right ventricle results in closing of the tricuspid valve and opening of the pulmonary valve. This results in deoxygenated/venous blood in the right [...]