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.

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

People with type O blood enjoy a slightly lower risk of heart disease and blood clotting, but they may be more susceptible to ...

The four valves of the heart prevent blood from flowing in the wrong direction, and open or close each time the heart beats. Learn more about them, here.

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 ...

The heart is located in the chest, to the left of the center. The heart is responsible for pumping blood through the body. Heart conditions are not always noticeable.

The participants underwent rest and adenosine stress cardiac PET-CT imaging using a 128-slice system, with 1100 MBq 82Rb injections administered at a flow rate of 50 mL/min.

Normal blood flow may stabilize plaque, lower odds of cardiac events by Scott Schrage, University of Nebraska-Lincoln Credit: iScience (2023).

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 ...

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 ...

This procedure helps restore blood flow to the heart. ... Coronary bypass surgery is one treatment option to help restore blood flow, when other surgical procedures may not be recommended.