Atrioventricular septal defect is a developmental irregularity in which a hole connects two or more chambers in your child’s heart. This hole may connect the top two, the bottom two, or all four ...

Atrioventricular septal defects (AVSD) comprise a spectrum of congenital heart malformations characterised by a deficiency of the atrioventricular septum, often resulting in a common atrioventricular ...

When expectant parents imagine their baby’s beating heart, few consider the possibility of a structural issue being present from day one. Yet for thousands of families each year, this becomes reality ...

High-degree atrioventricular (AV) block (Mobitz II or complete AV block) was an indication in 117 (65%) patients. Forty-four patients (38%) of the 117 patients had congenital complete AV block, 12 of ...

The most commonly seen defects at birth are congenital heart defects (CHD). These anomalies arise when there is a failure of the heart or its major blood vessels to form properly during embryonic ...

The largest genetic study of congenital heart defects in individuals with Down syndrome found a connection to rare, large genetic deletions affecting cilia, scientists report. The high risk for ...

This paper presents serial cardiac-catheterization data showing spontaneous functional closure of large symptomatic defects in 3 infants. One had an associated moderate-sized patent ductus arteriosus ...

Expert Rev Cardiovasc Ther. 2007;5(6):1135-1146. Diagnosing a secundum ASD is more often than not incidental because the defect normally causes symptoms late in adult life. Echocardiography and MRI ...

Since 1990, the mortality rate for children born with Down syndrome and a congenital heart defect has more than halved. This has been shown by a study by the University of Gothenburg. However, the ...

An atrioventricular canal is a congenital heart defect that connects chambers of your child’s heart that shouldn’t be connected. Atrioventricular canals usually require surgical treatment. It usually ...