Coaching is training or development in which a person called a coach supports a learner in achieving a specific personal or professional goal. The learner is sometimes called a coachee.
From Wikipedia: Tetralogy of Fallot (TOF) is a congenital heart defect which is classically understood to involve four anatomical abnormalities (although only three of them are always present). It is the most common cyanotic heart defect, representing 55-70%, and the most common cause of blue baby syndrome..
1 Congenital heart defects are the most common birth defects. Nearly one of every 100 babies is born with a CHD.  Each year approximately 40,000 babies are born in the United States with a congenital heart defect. (Source: CHPHC)