There are often no noticeable symptoms, but some patients may only have a heart murmur, a "swishing noise" doctors can hear when using a stethoscope, caused by the reversed blood flow.

The company provides ultra-clean valves, high purity connectors ... form from a centralized subsystem to the reaction chamber ...

Most simple rockets use a solid fuel engine which, once ignited, burns at a steady rate that cannot be controlled or stopped until the fuel is expended. Hybrid engines on the other hand can be turned ...

Asia-Pacific remains the largest and fastest-growing regional market for gate valves, driven by massive infrastructure ...

SBK: The FIM took a position regarding the regulations. Now everyone is wondering how much slower the two bikes will go. Will it be a significant impact or not?

As environmental regulations tighten worldwide, automakers are under increasing pressure to develop more energy-efficient and ...

At two years of follow-up, patients with a poorly functioning tricuspid valve in the heart who received the best available medical therapy plus a minimally invasive procedure using a clip to repair ...

Stress tests are safe, noninvasive ways to detect heart-related issues or determine your fitness level. Learn more about the ...

Blood enters the left ventricle through the mitral valve and leaves through the aortic valve. A stenotic valve is a valve opening that has gotten smaller and is partially obstructing blood flow. In ...

A leaky heart valve happens when the valve does not close properly, causing blood to flow backward ... get detailed images of the heart’s valves and chambers. However, they typically reserve ...

Uncover why 5 silent heart conditions are surging in families in 2025, from genes to stress, and how to spot them early.