儿科学精品教学（汕头大学）Congenital heart disease2.pptVIP

Fatus Cordis Blood Circulation Fetal Circulation 1.Placenta is the place to change nutrition and gas; 2.Resistance of pulmonary circulation is higher than systemic circulation ; 3.Patentductus arteriosus ; 4.Acleistocardia; 5.Mixed blood in the heart. Neonatal Circulation 1. Presure of pulmonary circulation descended; 2. Foramina ovale occluded fossae ovalis; 3. Ductus arteriosus occluded chorda ductus arteriosi; 4. There aren’t any mixed blood in the heart. Etiology 1.Endopathic:Heredity; Chromosome aberration ; 2.Exopathic:Intrauterine infection; Contacted radioactive ray; Disease; Classification of CHD 1.Left-to-right shunts: VSD;ASD;PDA. 2.Right-to-left shunts: 1).Pulmonary ischemic: TOF, Eisenmenger Syndrome. 2).Pulmonary Hypostasis: Complete transposition of great arteries; 3.No shunts: Pulmonary stenosis;Aortic stenosis; Dextrocardia. Diagnosis 1.History:Cyophoric history of his mother,symptoms,age of onset; 2.Physical examination: 3.Special inspection: X—ray, EKG, UCG,MRI, Angiocardiography, Cardiac catheterization. Diagnosis Segmental Diagnosis: Van Praagh The Clinical Significance of ASD 1.ASD is one of the most commonly congenital cardiac anomalies in adults but is very rarely diagnosed and even less commonly results in disability in infants. 2.The diagnosis of AS