Our heart works continuously, pumping blood throughout the body and keeping us alive. When the heart functions properly, we ...

Surgeons sometimes use angiography to plan an operation, like coronary bypass surgery, or to decide on the best surgical procedure. Using catheter angiography as an aid to see inside blood vessels, ...

ANAHEIM, California — Optical coherence tomography (OCT) angiography can reveal the microaneurysms that are the first signs of diabetic retinopathy, new research shows. If these microaneurysms are ...