A selection of heirloom tomatoes. Before the industrialization of agriculture, a much wider variety of plant foods were grown for human consumption. During the 19th and early 20th centuries the diversity was huge. Old nursery catalogues were filled with plums, peaches, pears and apples of numerous varieties.
The Multiple Gated Acquisition scan (MUGA) is. a noninvasive tool that creates a moving image of. the beating heart. It is used for assessing the. health of the cardiac ventricles (the heartâs major. pumping chambers).
An ejection fraction is most commonly measured during an echocardiogram. 1  This painless and noninvasive test uses high-frequency sound waves (ultrasound) to get a picture of the four heart chambers and the four heart valves. Ejection fraction can also be measured as part of other diagnostic testing, such as: 1  MUGA Scan: A type of radionuclide imaging test that provides clear pictures of blood flow through the heart's chambers and blood vessels.