the effects of an increase in demand. An economy (From Greek Î¿Î¯ÎºÎ¿Ï â household and Î½ÄÎ¼oÎ¼Î±Î¹ â manage) is an area of the production, distribution, or trade, and consumption of goods and services by different agents in a given geographical location in various countries.
Ultrasound may be used to detect many digestive problems, including: 1  Cysts or abnormal growths in the liver, spleen, or pancreas.2  Abnormal enlargement of the spleen. 3  Cancer of the liver or fatty liver. 4  Gallstones or sludge in the gallbladder.ltrasound may be used to detect many digestive problems, including: 1  Cysts or abnormal growths in the liver, spleen, or pancreas. 2  Abnormal enlargement of the spleen. 3  Cancer of the liver or fatty liver. 4  Gallstones or sludge in the gallbladder.
An echocardiogram uses an ultrasound machine to take a scan of your heart. It is carried out by a specially qualified technician and is sometimes just called an âechoâ, âecho heartâ or âechogramâ. Ultrasound machines detect sounds with such high frequencies that they cannot be heard by humans. The test is called an echocardiogram because the sound âbouncesâ or echoes back from the heart tissue to give an accurate picture of the heart. For example, ultrasound passes easily through fluid so there is little echo from the blood in the heart, which would otherwise affect the result.