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coarctation    
狭窄; 紧压; 缩窄

狭窄; 紧压; 缩窄

coarctation
n 1: tight or narrow compression [synonym: {constriction},
{coarctation}]
2: (biology) a narrowing or constriction of a vessel or canal;
especially a congenital narrowing of the aorta


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  • Coarctation of the aorta - Symptoms and causes - Mayo Clinic
    Aortic coarctation (ko-ahrk-TAY-shun) is a narrowing of a part of the body's main artery, called the aorta The condition forces the heart to work harder to pump blood Coarctation of the aorta is usually present at birth That means it is a congenital heart defect But sometimes the condition can occur later in life
  • Coarctation of the aorta - Wikipedia
    Coarctation of the aorta (CoA) [1] [2] is a congenital condition whereby the aorta is narrow, usually in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts The word coarctation means "pressing or drawing together; narrowing"
  • Coarctation of the Aorta (CoA) - Cleveland Clinic
    Coarctation of the aorta (CoA) is a heart defect some babies are born with CoA means your child’s aorta — a large artery — is pinched or narrowed in one spot This interferes with normal blood flow in your child’s body and may overtax their heart
  • Coarctation of the Aorta - StatPearls - NCBI Bookshelf
    Identify the key clinical features and diagnostic criteria of coarctation of the aorta in patients across different age groups Differentiate coarctation of the aorta from other causes of secondary hypertension and cardiovascular conditions
  • Coarctation of the Aorta (CoA) - American Heart Association
    Coarctation of the aorta is a narrowing of the aorta between the upper body branches and the lower body branches It's typically in an isolated location just after the "arch" of the aorta The blockage can increase blood pressure in your arms and head, yet reduce pressure in your legs
  • Coarctation of the Aorta | Condition Overview | Columbia Surgery
    Coarctation of the aorta is a birth defect in which a section of the aorta (the major artery that carries oxygen-rich blood from the heart to the rest of the body) is abnormally narrow Depending on how narrow the section of the aorta is, symptoms can be mild to severe
  • Coarctation of the Aorta: Diagnosis and Management - PMC
    Coarctation of the aorta (CoA) accounts for approximately 5–8% of all congenital heart defects Depending on the severity of the CoA and the presence of associated cardiac lesions, the clinical presentation and age vary
  • Coarctation of the Aorta: Background, Pathophysiology, Etiology - Medscape
    Coarctation of the aorta (CoA) is a relatively common defect that accounts for 5-8% of all congenital heart defects Coarctation of the aorta may occur as an isolated defect or in association
  • Aortic Coarctation Causes, Symptoms, and Treatments - UPMC
    Aortic coarctation is a congenital heart condition, meaning it’s present at birth It occurs because a narrowing in the aorta restricts blood flow to the rest of the body
  • About Coarctation of the Aorta | Congenital Heart Defects (CHDs) - CDC
    Coarctation of the aorta occurs when a baby's aorta doesn't form correctly as the baby develops during pregnancy The aorta is tube that carries oxygen-rich blood from the heart to the rest of the body Babies with this condition have a part of their aorta that is narrower than usual





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