The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium. Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich ...

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

A heart murmur is a sound often characterized as a "whooshing" or rushing of fluid that can be heard between heartbeats. As ...

One standard test is an echocardiogram (echo), a noninvasive ultrasound of the heart that uses sound waves to produce images. An echocardiogram shows how blood flows through the heart, how the ...

It involves malfunctioning valves in your heart that don't seal properly, allowing blood to flow backwards within the organ. The British Heart Foundation points out: "This means blood can flow the ...

Cut through the coracoid bar and pull back to fully open the pericardial cavity. Locate the vessels entering and leaving the heart and the 2 heart chambers - atrium and ventricle. Look at diagram of ...

Veins carry deoxygenated blood from the tissue to the heart. When the veins are blocked ... This encourages fresh blood to flow through the muscle, clearing out metabolites that can result ...

open as wide as it should, restricting blood flow through the heart - this means less blood reaches the body, pressure builds up and the lungs can swell with fluid close properly and allow blood ...

The most common symptoms of atherosclerosis happen when blood flow is restricted ... atherosclerosis through management with medications, exercise, weight loss, a heart-healthy diet, and other ...

Remember: Systole occurs between the S1 and S2 heart sounds ... same valves will result in a diastolic murmur, as blood flows backward through the diseased valve when ventricular pressures ...

In what is believed to be a world-first study, researchers from the University of Adelaide's Australian Dysautonomia and ...

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...