Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

Checking your blood pressure at home or a local pharmacy can be an effective way to stay proactive about your heart health.

Acute cardiac insufficiency (heart failure) is cardiac asthma (pulmonary oedema). Most frequently it arises as a complication ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to ...

Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout ...

Impaired myocardial flow reserve was observed in 18.8% of current and 3.2% of former steroid users but was absent in control individuals (P = .02), indicating persistent coronary microvascular ...

If a blood clot travels to the brain, it can block blood flow to parts of the brain. This causes an ischemic stroke . Research shows that after a first ischemic stroke, a person has a 17% risk of ...

Heart attack (blocked blood flow to the heart that causes heart muscle to die) Pulmonary embolism (blocked blood flow to the lungs that causes lung tissue to die which can cause shortness of breath or ...

The research highlights how a ketone body called β-hydroxybutyrate (3-OHB)—a molecule produced by the liver when breaking down fat—can enhance blood flow to the heart. The paper is published ...