Dilated Cardiomyopathy (DCM): common disease in Dobermans and in large breed dogs typically after 4 years of age. Heart muscle progressively loses its function and is not being able to pump the blood into the circulation. Blood remains inside the heart that becomes dilated and progressively gets cumulated in the lungs. The dog at this point starts to cough. Arrhythmias are also often present. The prognosis is unfortunately poor despite the medication. Because of that is very important to discover the presence of the disease as early as possible, so to be able to prolong life expectancy and achieve the highest benefit from the treatment.