To be able to observe the blood flow in the artificial heart in real time in the MRI, the researchers an Linköping University had to build a full-scale model of the human circulatory system. Using ...

Checking your blood pressure at home or a local pharmacy can be an effective way to stay proactive about your heart health. However, when you're not receiving readings in the presence of a doctor, it ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Aortic stenosis is a narrowing of the aortic valve that affects how blood flows through the heart and body. While not often linked to heart valve narrowing, high and irregular blood pressure can ...

A patient with a prolonged history of shoulder pain attributed to arthritis, sought medical attention. Because this pain could also be a sign of cardiovascular issues, the physician recommended an ...

Medically reviewed by Yasmine S. Ali, MD, MSCI Key Takeaways Ejection fraction (EF) measures how well the heart pumps blood.A ...

A heart perfusion imaging scan, or myocardial perfusion scan, is a test that tells doctors how well a person’s heart pumps blood. Doctors may use this test when diagnosing the cause of chest pain or ...

New research suggests that even slightly high blood pressure in your 30s may raise the risk of a heart attack or stroke later in life. The study by University College London (UCL) of more than 450 ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to spontaneously ...