194 results found
Medical tests
… is also important in how nerves and muscles work. Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go down, and when sodium …
Medical tests
… pituitary gland , in your blood. Pregnant women have high levels of prolactin, which helps make breast milk. During pregnancy, prolactin levels increase by 10 to 20 times. After the baby is born, … breastfeeding. In women who do not breastfeed, prolactin levels return to normal soon after they give birth. After …
Medical tests
… to release too much insulin, which causes blood sugar levels to drop (hypoglycemia). A person with an insulinoma … normal range may still be normal for you. High values High levels of both C-peptide and blood glucose are found in … example, glyburide) is causing the high level. If C-peptide levels are high after an insulinoma is taken out, it may …
Medical tests
… muscle mass, fat distribution, the vascular system, energy levels, genital tissues, and sexual functioning. Most of the … for a person who has a condition that can change SHBG levels, such as hyperthyroidism or some types of kidney diseases. Total testosterone levels vary throughout the day. They are usually highest in …
Medical tests
… body manage stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, ACTH levels normally fall. When cortisol levels fall, ACTH levels …
Medical tests
… an autoimmune disease . If your immune system makes low levels of antibodies, you may have a greater chance of … You can be born with an immune system that makes low levels of antibodies, or your system may make low levels of antibodies in response to certain diseases, such …
Medical tests
… is also important in how nerves and muscles work. Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go down. When sodium levels …
Medical tests
… hyperparathyroidism , to find the cause of abnormal calcium levels, or to check the status of chronic kidney disease. PTH controls calcium and phosphorus levels in the blood. PTH is made by the parathyroid glands , … release less PTH, and the whole process is reversed. PTH levels that are too high or too low can cause problems with …
Medical tests
… in the blood is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the bones release calcium … to bring it back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is … and the amount passed from the body in urine. The blood levels of phosphate are closely linked to calcium levels and …
Medical tests
… in the body react in opposite ways: as blood calcium levels rise, phosphate levels fall. A hormone called parathyroid hormone (PTH) regulates the levels of calcium and phosphorus in your blood. When the …
