Congenital Heart Defects [CHD]
Malformation of the heart or of its major blood vessels present at birth
Anatomy
Collaterals
Alternative pathways taken by blood when the normal route through an artery or vein is blocked or has not developed properly. Because of the obstruction the alternative pathways (collateral’s) may increase in size and eventually may become nearly as large as the original artery or vein, which is blocked. In some conditions (e.g. Pulmonary Atresia) … Read more
Cholesterol
An oily substance that occurs naturally in the body, in animal fats and in dairy products, and that is transported in the blood. Limited amounts are essential for the normal development of cell membranes. Excess amounts can lead to coronary artery disease.