194 results found
Medical tests
… gland . Cortisol is made by the adrenal glands . Cortisol levels go up when the pituitary gland releases another … metabolism ), and it helps the body manage stress. Cortisol levels can be affected by many conditions, such as physical … activity, infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest …
Medical tests
… the blood. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and … stimulates the adrenal glands to release aldosterone. High levels of both renin and aldosterone are normally present … the cause of high blood pressure or low blood potassium levels. This is done when overactive adrenal glands or an …
Medical tests
… of glucose in the blood rises. Normally, your blood glucose levels increase slightly after you eat. This increase causes … your pancreas to release insulin so that your blood glucose levels do not get too high. Blood glucose levels that remain high over time can damage your eyes, …
Medical tests
… as dehydration, that may cause abnormal BUN and creatinine levels. Why It Is Done A BUN test is done to: See if your … for severe dehydration. Dehydration generally causes BUN levels to rise more than creatinine levels. This causes a high BUN-to-creatinine ratio. Kidney …
Medical tests
… body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly controlled by a hormone called … which is made by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body … mouthwash, and toothpaste. Doctors may look at sodium levels in the blood and urine to see whether conditions or …
Medical tests
… or sexual activity (ejaculation) may also briefly raise PSA levels. Why It Is Done The prostate-specific antigen (PSA) … as an enlarged prostate and prostatitis, can cause high PSA levels. Check if cancer may be present when results from … during active surveillance or other treatment. If PSA levels increase, the cancer may be growing or spreading. …
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
… is often done at the same time as a test for vitamin B12 levels because a lack of either vitamin may cause anemia. … normal range may still be normal for you. High values High levels of folate in the blood may mean that you eat a lot of … acid, take vitamins, or take folic acid pills. High folate levels can also mean a vitamin B12 deficiency. Body cells …
Medical tests
… range may still be normal for you. High values Very high levels of ALP can be caused by liver problems, such as … to the liver from another part of the body. High ALP levels can be caused by bone diseases, such as Paget's … ). Normal healing of a bone fracture can also raise ALP levels. Heart failure , heart attack, mononucleosis , or …
Medical tests
… the urine. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and … stimulates the adrenal glands to release aldosterone. High levels of both renin and aldosterone are normally present … Find the cause of high blood pressure or low potassium levels. This is done when overactive adrenal glands or an …