Definition of primary and secondary amenorrhea. Amenorrhea is the medical term for the absence of menstrual periods, either on a permanent or temporary basis. Amenorrhea can be classified as primary or secondary.
Most inherited bleeding disorders are the result of abnormal platelet function or a deficiency in one or more of the factors involved in the blood clotting system. The most serious and common inherited coagulation disorders in dogs are hemophilia(deficiency of factor VIII or IX) and von Willebrand's disease (lack of von Willebrand factor). Other coagulation disorders are discussed here.
What is Dilated Cardiomyopathy (DCM)? Heart muscle disease that causes loss of heart muscle strength, enlargement of the heart, and a decreased ability to pump blood through the body(heart failure). Dilated Cardiomyopathy affects any age dog, but occurrence increases with age. Heart failure can be compared to a common pump. If the sump pump in your basement fails, water backs up into the basement; if the left heart fails, fluid backs up into the lungs; if the right heart fails, fluid backs up in the belly.