No fasting is required prior to this test. The test evaluates how your body processes sugar. A high level in your blood may indicate your body is not processing sugar effectively (positive test). If the results of this screen are positive, the woman may have the Glucose Tolerance Test performed.
A valve is a mechanism that opens and closes to control the flow of fluids. In a scientific context, fluids include both liquids and gases â any substance that can flow freely â and valves may use either. Valves control fluid flow in motors, plumbing, irrigation, pneumatic and hydraulic systems.
LVAD means Left Ventricular Assist Device. An LVAD is a surgically implanted mechanical device that helps the heart pump blood. In other words, they are heart pumps or heart assist devices.. If both your heart's pumping chambers are failing, 2 heart pumps may be used, one for each ventricle. The last few years have been a bonanza for this kind of technology, so settle in and read all about it.