The aortic valve is made up of three triangular flaps of tissue called cusps that open and close to keep blood flowing in only one direction . Sometimes, the aortic valve opening narrows – a ...

THE human aortic valve consists of three cusps made of relatively inelastic, muscle-free material about 0.15 mm thick. It opens and shuts about once a second, and withstands a pressure difference ...

replacement of the diseased cusps have evolved. From our experience with advanced acquired aortic stenosis it is our present opinion that a freely movable valve can be obtained, and that any ...

The aortic valve area can be calculated and measured by planimetry. Detection of sclerodegenerative changes of the aortic cusps in an older asymptomatic individual may be associated with normal ...