Medically reviewed by Jeffrey S. Lander, MD Key Takeaways The inferior vena cava is a large vein that carries blood from the ...

Heart imaging tests provide a picture of the heart, blood vessels, and surrounding tissue to help diagnose and monitor conditions that affect this organ. A doctor can use the images from these tests ...

A study led by scientists at King's has revealed how the physical orientation of the heart inside the chest dramatically influences the electrical signals captured in an electrocardiogram (ECG)—a ...