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
Domingo Matheu Domingo Matheu Domingo Bartolomé Francisco Matheu (4 August 1765, in Barcelona, Spain – 28 March 1831, in Buenos Aires, Argentina) was a Spanish-born Argentine businessman and politician. He was a member of the Primera Junta, the first national government of modern Argentina, and the second president in the end of the Junta Grande from August to September 1811. Domingo Bartolomé Francisco Matheu was born in August 4, 1765, in Mataró. His parents were Juan Pablo José Benito Matheu Ros and Antonia Xicola. He studied in the school "Pías" of Mataró, and then focused in math and naval studies. He became