KINESIOL 4B03 Lecture Notes - Lecture 5: Cardiac Muscle, Adipose Tissue, Myocyte

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257,000 canadian live with congenital heart disease. 60 years ago, only 20% of babies born with congenital heart defects survived into. Prevention of diabetes in pregnancy (and other risk factors in pregnancy) (ex. maternal age >35 years) High risk pregnancy care centres and specialists. Folic acid supplementation and fortification (c 1998) Two most common in canada: isolated patent ductus arteriosus (33% of congenital heart defects, isolated septal defects (28% of congenital heart defects) Fetal pulmonary circuit not important lungs are collapsed. Blood bypasses pulmonary circuit: by going through foramen ovale in interartrial septum. Closes off when you are born: by going through short artery called ductus arteriosus via the pulmonary artery. Isolated patent (open) ductus ateriosus (cid:498)unclosed hole in the aorta(cid:499) Ductus arteriosus: hole that allows blood to skip circulation to the lungs. Treatment: medication (ie, indomethacin) to constrict pda, catheter procedure to insert a coil to block blood flow (via femoal vein/artery, open heart surgery to suture pda closed.

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