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..
What is Acrocyanosis? Acrocyanosis is the persistent bluish discoloration of the extremities including the hands, feet and parts of the face, but the most common is cyanosis of the hands. Acrocyanosis occurred some 100 years ago, but the nature of the condition is still unclear.