Dilated (congestive) cardiomyopathy is a group of heart muscle disorders in which the ventricles enlarge but are not able to pump enough blood for the bodyâs needs, resulting in heart failure. Coronary artery disease, viral infections, and some hormonal disorders are common causes of dilated cardiomyopathy. Shortness of breath and fatigue are often the first symptoms. Electrocardiography, echocardiography, magnetic resonance imaging, and blood tests are used to diagnose dilated cardiomyopathy.
Answers.comÂ® is making the world better one answer at a time. The subsistence agriculture to feed their families is practiced by the campesinos of Colombia.
In the altiplano, the descendants of the region's pre-Columbian natives (mostly Aymara and Atacama Indians) herd llamas and alpacas and grow crops with water from snowmelt streams. To the far south, in the Chilean capital of Santiago, urbanites still consider the desert a wasteland, impervious to environmental damage. Rumors persist that in the mid-1980s the government proposed creating a dumpsite for the world's nuclear wastes in the Atacama, but backtracked to avoid a public relations disaster.