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.
The scene was photographed by Dorothea Lange in 1936. Sharecropping is an agricultural system which developed in the Southern states during the Civil War. It was a farm tenancy system in which families worked a farm or section of land in return for a share of the crop rather than wages.