There are three types of bicuspid aortic valves — types 0, 1, and 2. Experts classify these types based on whether the leaflets of the valve have fused to form a ridge. A bicuspid aortic valve is a ...

Surgery is usually the best fix for a severe heart valve disease. Different types of heart valve blockages can happen, and surgery is necessary to fix these problems. Your heart is split into four ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

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 ...

The aortic valve allows blood to leave the heart and travel through the aorta, which is the largest artery in the body. Aortic stenosis is when this heart valve narrows and doesn’t open fully. The ...

A leaky heart valve does not close properly, causing leakage between the heart chambers. Depending on the severity of the leak, there are different treatments available, from medication to surgery. A ...

Equipment for gas chromatography, liquid chromatography and mass spectrometry is complex, with multiple subsystems that control the flow of sample analyte, carrier gas and solvent fluids. The ...

Valvular heart disease, also called heart valve disease, occurs when you have a diseased or damaged heart valve. When your heart pumps blood, your valves open and close to keep blood flowing in the ...

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...

The number of patients that need heart valve surgery is steadily increasing; however, the majority of available risk-prediction models are tailored for coronary artery bypass grafting (CABG) surgery ...

Major and minor valve seat diameters are most easily checked for consistency with a pair of dividers during seat grinding operation. This assures proper seat width. The answer to the question posed by ...