congenital heart defect

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Related to Heart Malformation: Congenital heart defects


existing at, and usually before, birth; referring to conditions that are present at birth, regardless of their causation. Cf. hereditary.
congenital heart defect a structural defect of the heart or great vessels or both, present at birth. Any number of defects may occur, singly or in combination. They result from improper development of the heart and blood vessels during the prenatal period. Congenital heart defects occur in about 8 to 10 of every 1000 live-born children in the United States. The most common types are tetralogy of fallot, patent ductus arteriosus, ventricular septal defect, atrial septal defect, transposition of great vessels, and coarctation of the aorta.

In many cases, depending on the severity of the defect and the physical condition of the patient, these congenital conditions can be treated by surgery. However, some are so minor that they do not significantly affect the action of the heart and do not require surgery. The cause of most of these conditions is unknown. Gene abnormalities account for about 5 per cent, and in a small number of other cases they may be seen in a child whose pregnant mother had rubella (German measles) during the first 2 or 3 months of pregnancy.


an imperfection, failure, or absence.
congenital heart defect see congenital heart defect.
aortic septal defect see aortic septal defect.
atrial septal defect see atrial septal defect.
filling defect an interruption in the contour of the inner surface of stomach or intestine revealed by radiography, indicating excess tissue or substance on or in the wall of the organ.
neural tube defect see neural tube defect.
septal defect a defect in the cardiac septum resulting in an abnormal communication between opposite chambers of the heart. Common types are aortic septal defect, atrial septal defect, and ventricular septal defect. See also congenital heart defect.

congenital heart defect

A structural abnormality of the heart and great blood vessels that occurs during intrauterine development. Abnormalities are commonly classified by the presence or absence of cyanosis. Acyanotic abnormalities include atrial and ventricular septal defects, coarctation of the aorta, and patent ductus arteriosus. Cyanotic defects include tetralogy of Fallot, transposition of the great vessels, and hypoplastic left-sided heart syndrome.
See also: defect
References in periodicals archive ?
Regular supplies of medical devices, angiography, cardiology, pacemakers and accessories under MDA for the needs of Department of Invasive Cardiology, Clinic of Vascular Surgery, Unit for the treatment of congenital heart malformation and Department of Cardiac at University Hospital St.
10] exposure and the risk of fetal heart malformations seemed to be comparable to or stronger than, and the exposure levels of [PM.
Noninvasive and more detailed than an x-ray, a complete cardiovascular imaging and circulation evaluation are the first diagnostic procedures used to assess heart malformations.
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According to the research, these children could suffer from gastrointestinal, spinal and heart malformations.
The many cardiac services here range from coronary artery bypass surgery, heart valve surgery, major blood vessel diseases, and surgical correction of congenital heart malformations.
According to the results of the study published in the Journal of Obstetrics and Gynaecology of Canada, ensuring an adequate intake of vitamins and minerals by taking a single pill every day sharply cuts the likelihood of a wide range of severe birth defects, including such neural-tube defects as spina bifida, brain tumor, heart malformations, truncated or missing limbs, urinary tract abnormalities and cleft palate.
Histopathological examination revealed that the cardiac musculature was often reduced to sparce, abnormal trabeculae and other gross heart malformations which were frequently accompanied by dilated kidney tubules and cystic kidneys.
Contract award notice: National health-specific program of interventional treatment of congenital heart malformations in adults and children.
Parental consanguinity and congenital heart malformations in a developing country.