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..
Cyanosis is a bluish color in the skin, lips and nail beds caused by a shortage of oxygen in the blood. Cyanosis occurs because blood with decreased oxygen turns blue or purple. This low-oxygen blood causes a blue-purple tint to the skin. What conditions cause cyanosis? Cyanosis is usually caused by problems of the heart, lungs or blood. Some of the defects or diseases that can cause a child to have cyanosis are: truncus arteriosus. total anomalous pulmonary venous return. transposition of the great arteries. tricuspid atresia. pulmonary atresia. atrioventricular canal defect. pulmonary hypertension.