Engineers developed a procedure to 3D print a soft and flexible replica of a patient's heart. These models could help doctors tailor treatments, such as aortic valves, to an individual patient. No two ...

Scientists have created a three-dimensional "heart-on-a-chip" (HOC) model that beats on its own, uses calcium to initiate muscular activity and responds predictably to common drugs in hopes that it ...

At 3 weeks old, Samantha underwent the first of four surgeries for congenital single-ventricle heart disease. She had been diagnosed before birth with the rare birth defect that left only half of her ...