A digoxin test may be ordered when it is suspected that levels are too low in someone who is taking the medication and has symptoms of heart failure such as: 1  Fatigue. 2  Shortness of breath. 3  Swelling in the hands and feet (edema).
lupus is a systemic autoimmune disease that has some genetic factors it is also tied to environmental risk which may determine whether people actually ever manifest the illnessthese environmental factors may also play a role in the degree to which lupus may affect a person s life and mortalityupus can manifest in different parts of the body but may include joint pain swollen legs and feet may be symptoms of lupus nephritis a form of renal parenchymal disease people can have a genetic predisposition for lupus
the research also suggests a shared disease pathway for ra and lupus for this complex disease rheumatoid arthritis this is the first instance of a genetic linkage study leading to a chromosomal location which then in a genetic association study identified a disease susceptibility gene says dr gregersen