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Tests could include:
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CT of Adrenals
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Potassium Test
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MRI of Pituitary Fossa
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Tests may show:Increased potassiumLow blood pressureLow cortisol levelLow serum sodiumNormal sex hormone levelsOther tests may include:Abdominal x-rayAbdominal CT scanThis disease may also change the results of the following tests:17-hydroxycortic...
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Many patients do not recognize the slow progression of symptoms and the disease is ultimately identified when a physician notices the areas of increased pigmentation of the skin. Once suspected, a number of blood tests can lead to the diagnosis of...
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During a physical examination, a health care provider studies a patient''s body to determine the presence or absence of physical problems.
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An ACTH test measures ACTH, a hormone released from the anterior pituitary gland in the brain.Serum adrenocorticotropic hormone; Adrenocorticotropic hormone; Highly-sensitive ACTH.Blood is typically drawn from a vein, usually from the inside of th...
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An aldosterone test measures the amount of the hormone aldosterone in blood.Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine(antiseptic).
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This test measures the levels of aldosterone, a hormone produced by the outer part(cortex) of the two adrenal glands, organs which sit one on top of each of the kidneys. Aldosterone regulates the amounts of sodium and potassium in the blood.
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A cortisol level is a blood test that measures the amount of cortisol, a steroid hormone produced by the adrenal cortex.Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with ge...
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This test measures the amount of sodium in the blood.Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine(antiseptic).
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Adrenocortical hormone tests measure levels of aldosterone and cortisol(also known as hydrocortisone) in blood and urine. These hormones are synthesized from cholesterol by the action of several enzymes.
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This test measures the amount of potassium in the blood. Potassium(K+) helps nerves and muscles communicate.
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A blood glucose test measures the amount of sugar(glucose) in a sample of your blood.Random blood sugar; Blood sugar level; Fasting blood sugar.Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The...
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In adults, a screening blood sugar test is generally used to determine if your blood sugar is too high. For adults, having an elevated blood sugar usually will not give you symptoms and may indicate a pending or current problem with type 2 diabetes.
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The official term for blood sugar is glucose, and having either too little or too much of it occupies the minds of people with diabetes daily -- even hourly. But keeping blood sugar at safe levels can be achieved by most patients through monitoring, diet, exercise and drug therapy.
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Monitoring the level of sugar (glucose) in your blood is the key to controlling your diabetes. To be sure your glucose and insulin are in balance, check your blood sugar regularly. You can check your blood sugar level by using a blood glucose meter. Here's how.
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The only way to be sure your blood sugar stays within a normal range is to check it. You will most likely be asked to check your blood sugar at home one or more times a day. Your healthcare provider will teach you how.
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The only way to be sure your blood sugar stays within a normal range is to check it. You may be asked to check your blood sugar at home one or more times a day.
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The purpose of blood sugar is to provide "food" for your body's cells. Glucose is the sugar that provides energy all cells in your body need.
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The 24-hour urinary aldosterone excretion rate test measures the amount of aldosterone eliminated in the urine in a day. Aldosterone is a hormone released by the adrenal gland that helps the kidney to control salt and potassium balance.
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The concentrations of these ions in the bloodstream remain fairly constant throughout the day in a healthy person. Changes in the concentration of one or more of these ions can occur during various acute and chronic disease states and can lead to ...
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However, there is a narrow concentration limit of these electrolytes that the body must maintain within each of these compartments. The body transfers electrolytes intracellularly and extracellularly as required to maintain electrolyte balance.
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Electrolytes are positively and negatively charged molecules called ions, that are found within the body''s cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and...
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Electrolytes are positively and negatively charged ions that are found within the cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and bicarbonate.
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Adrenocorticotropic hormone test(also known as an ACTH test or a corticotropin test) measures pituitary gland function.The pituitary gland produces the hormone ACTH, which stimulates the outer layer of the adrenal gland(the adrenal cortex). ACTH c...
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Magnetic resonance imaging(MRI) is a noninvasive way to take pictures of the body.Unlike x-rays and computed tomographic( CT) scans, which use radiation, MRI uses powerful magnets and radio waves. The MRI scanner contains the magnet.
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Cardiac nuclear imaging is also called a "perfusion scan.” A radioactive tracer is delivered into the bloodstream. Then a camera scans the tracer in the blood as it flows through the heart muscle.
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Detailed information on magnetic resonance imaging, including how the image is performed and what happens following the procedure
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New MRI machines and new techniques result in images that show prostate cancer in much greater detail, allowing biopsies to be targeted more precisely, and thus cancer staging can be more accurate as well.
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Magnetic resonance imaging (MRI) is a test that lets your doctor see detailed pictures of the inside of your body. MRI combines the use of strong magnets and radio waves to form an MRI image.
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Studies have found that MRI tests used in addition to mammography detected more cancers in women at high risk for breast cancer. Women at average risk would not necessarily benefit from the additional testing.
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When I had an MRI of my knee, I was told the test was dangerous for people who have metal devices in their bodies. Since then, I developed angina and my cardiologist put in a metal stent. If I need an MRI in the future, will I be able to get one?
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A Harvard Medical School physician answers your question about the safety of MRIs for those who have stents.
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Persons with pacemakers cannot get an MRI because it conflicts with the pacemaker's function. Future pacemakers will likely be made MRI-safe, but this will probably take at least several more years.
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Is a regular MRI more accurate then an open MRI?
Diana Post, M.D., is an assistant professor of medicine at Harvard Medical School and a member of the Department of Medicine at Brigham and Women's Hospital.
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How safe is it for a baby who is 6 months old to have an MRI?
Claire McCarthy, M.D., is a senior medical editor for Harvard Health Publications. She is an instructor in pediatrics at Harvard Medical School, an attending physician at Children's Hospital of Boston, and co-director of the pediatrics department at Martha Eliot Health Center, a neighborhood health service of Children's Hospital. The author of two books, "Learning How the Heart Beats" and "Everyone's Children", Dr. McCarthy was a regular columnist for "Sesame Street Parents Magazine" from 1995 to 1998 and is currently a contributing editor for "Parenting Magazine".
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For women at high genetic risk, adding MRI screening to mammography may improve early detection of breast cancer.
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In some cases, chemical agents such as gadolinium can be injected to improve the contrast between healthy and diseased tissue.A single MRI exposure produces a two-dimensional image of a slice through the entire target area. A series of these image...
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Magnetic resonance imaging(MRI) is a unique and versatile medical imaging modality. Doctors can obtain highly refined images of the body''s interior using MRI.
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Magnetic resonance imaging(MRI) is one of the newest diagnostic medical imaging technologies that uses strong magnets and pulses of radio waves to manipulate the natural magnetic properties in the body to generate a visible image. In the field of ...
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Magnetic resonance imaging(MRI) is the newest, and perhaps most versatile, medical imaging technology available. Doctors can get highly refined images of the body''s interior without surgery, using MRI.
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Magnetic resonance imaging(MRI) is a diagnostic imaging procedure that uses radio waves, a magnetic field, and a computer to generate images of the anatomy.MRI is used to visualize the body to assist doctors in their efforts to diagnose certain di...
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Magnetic resonance imaging(MRI) is one of the newest, and perhaps most versatile, medical imaging technology available. Doctors can get highly refined images of the body''s interior without surgery using MRI.
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Magnetic resonance imaging(MRI) scanners rely on the principles of atomic nuclear-spin resonance. Using strong magnetic fields and radio waves, MRI collects and correlates deflections caused by atoms into images.
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Detailed information on magnetic resonance imaging (MRI), including information on how the procedure is performed
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People with certain kinds of pacemakers or ICDs can safely undergo an MRI, as long as a series of safety precautions is carefully followed.
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This test is a measure of serum cortisol(also known as hydrocortisone), or urine cortisol(also known as urinary free cortisol), an important hormone produced by a pair of endocrine glands called the adrenal glands.This test is performed on patient...
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A computed tomography(CT) scan is an imaging method that uses x-rays to create cross-sectional pictures of the body.CAT scan; Computed axial tomography scan; Computed tomography scan.You will be asked to lie on a narrow table that slides into the ...
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Computed tomography (CT) is a test that combines x-rays and computer scans. The result is a detailed picture that can show problems with soft tissues (such as the lining of your sinuses), organs (such as your kidneys or lungs), and bones.
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Detailed information on CT scan, including how the CT scan is performed and what happens after the procedure
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Detailed information on ultrafast computed tomography scans, also called ultrafast CT scan or ultrafast CAT scan, including information on how the procedure is performed
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Detailed information on computed tomography scans, also called CT scan or CAT scan, including information on how the procedure is performed
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Detailed information on ultrafast computed tomography (CT) scan, including reasons for the procedure, risks of the procedure, what to expect, and discharge instructions
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Computed tomography(CT) scanning is a valuable diagnostic tool that provides physicians with views of internal body structures. During a CT scan, multiple x rays are passed through the body, producing cross-sectional images, or"slices," on a catho...
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Computed tomography(CT), formerly referred to as computerized axial tomography(CAT), is a common diagnostic imaging procedure that uses x rays to generate images(slices) of the anatomy.Computed tomography(CT) is an x-ray imaging procedure used for...
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Computed tomography(CT) scans are completed with the use of a 360-degree x-ray beam and computer production of images. These scans allow for cross-sectional views of body organs and tissues.CT scans are used to image a wide variety of body structu...
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Computed tomography scanning, also called CT scan, CAT scan, or computerized axial tomography, is a diagnostic tool that provides views of internal body structures using x rays. In the field of mental health, a CT scan may be used when a patient s...
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Computed tomography(also known as CT, CT scan, CAT, or computerized axial tomography) scans use x rays to produce precise cross-sectional images of anatomical structures.With the development of modern computers, the scans enhanced digital capabili...
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Is there an alternative to iodine as a contrast medium in a CT scan?
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What is the difference between a pelvic CT scan and an abdominal CT scan?
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ACTH(cosyntropin) stimulation test measures how well the adrenal glands respond to the hormone ACTH. ACTH is a hormone produced in the pituitary gland that stimulates the adrenal glands to release cortisol.Tests of adrenal reserve; Cortrosyn stimu...
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Blood glucose monitoring refers to the ongoing measurement of blood sugar(glucose). Monitoring can be done at any time using a portable device called a glucometer.Home glucose monitoring; Self monitoring of blood glucose.The traditional glucose me...
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Glucose tests are used to determine the concentration of glucose in blood, urine, cerebrospinal fluid, and other body fluids. These tests are used to detect an increased blood glucose(hyperglycemia), a decreased blood glucose(hypoglycemia), increa...
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Detailed information on blood glucose monitoring Blood glucose levels (also called blood sugar levels) are signs of how well diabetes is being controlled and how well the plan of care (diet, exercise, and medication) is working. If the blood sugar levels are consistently under control (with levels near normal), diabetes complications may be prevented or slowed down in their progression.
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