Medical research

Finished heart switches stem cells off

It is not unusual for babies to be born with congenital heart defects. This is because the development of the heart in the embryo is a process which is not only extremely complex, but also error-prone. Scientists from the ...

Medical research

Scientists make strides toward fixing infant hearts

Researchers at Rice University and Texas Children's Hospital have turned stem cells from amniotic fluid into cells that form blood vessels. Their success offers hope that such stem cells may be used to grow tissue patches ...

Medical research

Brain and heart link may explain sudden death in Rett

Poets might scoff at the notion that heart and brain are closely related, but scientists led by those at Baylor College of Medicine (www.bcm.edu) say a genetic defect that affects the brain can stop a heart.

Genetics

Biologists use flies, mice to study Down syndrome

A novel study involving fruit flies and mice has allowed biologists to identify two critical genes responsible for congenital heart defects in individuals with Down syndrome, a major cause of infant mortality and death in ...

Genetics

Genetic defects hold clues to risk for sudden cardiac death

Sudden cardiac death is always a shocking, tragic event, especially when it occurs at a young age. But, for the first time, scientists are unraveling how genetic defects can help predict the risk of dying suddenly in individuals ...

Cardiology

Q&A: What is cardiac arrest?

I've heard about several people who have experienced sudden cardiac arrest. What is cardiac arrest? And how is it different from a heart attack? What do you do for someone who has this condition?

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