Heart valves made in minutes control blood flow immediately after being implanted into sheep. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 06 / 230607123521.htm ...

A heart PET scan is an imaging tool, offering information on blood flow and heart health. Learn more about how this scan helps with diagnosing heart conditions.

This means that blood can flow backward in the heart and potentially affect heart function. An estimated 2.5% of the total U.S. population has some form of valvular disease, ...

Heart failure: Poor blood flow due to atherosclerosis in coronary arteries can damage heart muscle, resulting in poor pumping action, a.k.a. heart failure. As a reminder, a good way to access the ...

The researchers also noticed that activating the neurons constricted blood vessels and reduced blood flow from the heart to the brain — two more characteristic signs of fainting.