You can develop shortness of breath if you have heart valve problems. This is because your heart valves help move blood through the four chambers of your heart and throughout your body. Your heart ...

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 palpitations, ...

Heart valve regurgitation is the name for when the heart’s valves leak. It occurs when some of the blood the heart pumps out flows back to the valves. Treatment may not always be necessary, though ...

In hydronic heating, to control where heated water goes to various sections of a building, the system might rely on two or more zone valves. A zone valve opens or closes based on demand from a ...

Echocardiography should be the first tool used to evaluate potential dysfunction of a prosthetic heart valve, but other imaging modalities may be needed to get a clearer picture of the problem and the ...

Ever been to a large sporting event, such as a football or baseball game with 60,000 screaming fans? What you don’t hear through the screams is a clicking sound in the chests of about 1,500 of these ...