Echocardiogram. Guide. An echocardiogram (also called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device called a transducer.The device picks up echoes of the sound waves as they bounce off the different parts of your heart.chocardiogram. Guide. An echocardiogram (also called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device called a transducer.
The United Nations is an international organization designed to make the enforcement of international law, security, economic development, social progress, and human rights easier for countries around the world.rior to the United Nations (UN), the League of Nations was the international organization responsible for ensuring peace and cooperation between world nations. It was founded in 1919 to promote international cooperation and to achieve peace and security..
The United Nations is perhaps one of the best and noble organizations which men of this earth were ever established after the two great wars that beset our world. The UN indeed was the best alliance of countries around the world whose aim is primarily to maintain and make world peace a reality in each and every country.Unity and camaraderie of all these member nations are the pillars of this organization.he UN indeed was the best alliance of countries around the world whose aim is primarily to maintain and make world peace a reality in each and every country. Unity and camaraderie of all these member nations are the pillars of this organization.