Artificial heart valve Artificial heart valve An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery. Valves are integral to the normal physiological functioning of the human heart. Natural heart valves are evolved to forms that perform the functional requirement of inducing unidirectional blood flow through the valve structure from one chamber of the heart to another. Natural heart valves become dysfunctional for a variety of pathological causes. Some
Jeanne Liotta to discover what their world is made of and what they think about it - to observe and take notes and reflect upon - that's our jobs as human beings somehow, that's what I feel like I'm doing when I make things. It's just my thinking." The artist's films have been shown at several film exhibitions, including: In 2008 Liotta won the Tiger Award at the Rotterdam Film Festival for her film "Observando el cielo". Liotta's works can be found in a number of public institutions, including: Jeanne Liotta Jeanne Liotta (born 1960) is an American visual artist who is