
DHEAS Test: What It Is, Procedure, Results - Cleveland Clinic
A DHEAS test measures levels of dehydroepiandrosterone sulfate (DHEAS) in your blood. Your adrenal glands make DHEA sulfate, a steroid hormone found in all sexes. DHEAS levels tend to peak around puberty and then naturally decline with age.
T4 (Thyroxine) Test: What It Is, Function, Purpose & Levels
2022年10月3日 · A T4 (thyroxine) test is a blood test that helps diagnose thyroid conditions. Too much or too little T4 can indicate an issue with your thyroid.
Hematocrit Test: What It Is, Levels, High & Low Range - Cleveland …
A hematocrit test (Hct) is a simple blood test that measures the percentage of red blood cells in your blood. Red blood cells are important because they carry oxygen throughout your body. Test results showing low or high hematocrit levels may be …
Adrenocortical Carcinoma: Symptoms, Stages & Prognosis
2024年3月4日 · What is adrenocortical carcinoma? Adrenocortical carcinoma is cancer in your adrenal cortex, the outer layer of your adrenal glands. These glands are on top of your kidneys and produce hormones that, among other things, manage your body’s metabolism, blood pressure and how you react to stress.
ACTH (Cosyntropin) Stimulation Test: What It Is & Results
An ACTH stimulation test, also known as a cosyntropin stimulation test (CST), is a dynamic medical test that assesses how well your adrenal glands respond to adrenocorticotropic hormone (ACTH). This test is the main medical test to diagnose adrenal insufficiency — either primary, secondary or tertiary adrenal insufficiency.
Adrenocorticotropic Hormone (ACTH): What It Is & Function
2022年6月1日 · What test checks ACTH levels? A blood test can measure adrenocorticotropic hormone levels through a blood sample taken from a vein in your arm. Healthcare providers often order an ACTH test along with a cortisol test to diagnose issues with your pituitary or …
Pituitary Adenomas: Definition, Symptoms & Treatment
2022年6月27日 · Sometimes, healthcare providers find pituitary adenomas by accident when you get an imaging test of your brain for another condition. In these cases, the adenoma is usually small and nonfunctioning. What tests will be done to diagnose a pituitary adenoma?
Adrenarche/Premature Adrenarche Symptoms, Causes, Treatment
2024年5月3日 · Researchers know that adrenarche is happening when there’s a detectable amount of DHEAS in a blood test. But healthcare providers don’t typically order this test for children, as adrenarche is a natural and expected bodily process.
PCOS (Polycystic Ovary Syndrome): Symptoms & Treatment
2023年2月15日 · Signs of excess androgens such as acne or excessive hair growth. Or a blood test confirming high androgen levels. Enlarged ovaries or polycystic appearance of ovaries on ultrasound. Many people don’t develop cysts.
Methylmalonic Acid Test: What It Is, Procedure, Results & Types
2024年8月6日 · A methylmalonic (meth-uhl-muh-LAHN-ick) acid test is a way to test for vitamin B12 deficiency. Your provider uses a sample of your blood or urine (pee) to look for high levels of methylmalonic acid (MMA).