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.
3. Shifting agriculture: This is a type of agriculture in which a piece of forest land is cleared mainly by tribal people by felling and burning of trees and crops are grown. After 2-3 years when the fertility of the soil in the cleared land decreases, it is abandoned and the tribe shifts to some other piece of land.