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
Lupus risk factors include: (1) 1  Having genetic susceptibility and a family history of lupus or other autoimmune disorders. 2  Being a woman (90 percent of all lupus patients are women) 3  Being between the ages of 15â45; women of âchildbearing ageâ are by far the most likely to develop lupus.