Unformatted text preview: leading to edema (fluid buildup in areas such as feet, ankles, fingers) B. Heart Pathologies (Diseases of the Heart) 1. congenital heart defects - heart problems that are present at the time of birth a. patent ductus arteriosus - bypass hole between pulmonary trunk and aorta does not close 2. sclerosis of AV valves - fatty deposits on valves; particularly the mitral valve of LEFT side; leads to heart murmur 3. decline in cardiac reserve - heart efficiency decreases with age 4. fibrosis and conduction problems - nodes and conduction fibers become scarred over time; may lead to arrhythmias...
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- Fall '10
- cardiac muscle cells, coronary artery occlusion, Heart Pathologies