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
Human trafficking in Argentina Human trafficking in Argentina Human trafficking in Argentina is the illegal trade in persons for purposes of reproductive slavery, sexual exploitation, forced labor, organ removal, or any form of modern slavery. It is an international crime against humanity and a violates human rights. It is considered a modern form of slavery. Worldwide it is ranked third among felony crimes, behind arms and drugs trafficking. It accounts for the movement of more than $32 billion worldwide. A United Nations international protocol against human trafficking has been signed by 117 different countries, among them Argentina. This treaty obligates the countries that are