281 results found
Medical tests
… This fluid surrounds and helps cushion the heart. It helps reduce friction between the heart and other structures in … Then a long, thin needle will be carefully inserted just below your breastbone. (In some cases, the needle is inserted … a few hours. How It Feels You will feel a brief stinging pain when the local anesthetic is injected. When the needle …
Medical tests
… ), heart disease, Cushing's disease , or Conn's syndrome . Low values A low level may be caused by: Hyperventilation . Aspirin or … ), heart disease, Cushing's disease , or Conn's syndrome . Low values A low level may be caused by: Hyperventilation . …
Medical tests
… and pre-eclampsia (toxemia of pregnancy). Viral infections. Low values Low values may be caused by: High blood sugar levels. … and pre-eclampsia (toxemia of pregnancy). Viral infections. Low values Low values may be caused by: High blood sugar …
Medical tests
… sarcoidosis . Kidney disease. Liver disease. Tuberculosis . Low values Low albumin levels may be caused by: A poor diet … sarcoidosis . Kidney disease. Liver disease. Tuberculosis . Low values Low albumin levels may be caused by: A poor diet …
Medical tests
… A small amount of a suspected allergen is placed on or below the skin to see if a reaction develops. There are three … or tricyclic antidepressant, that may prevent or reduce a reaction to a substance even when a person is … intradermal test will: Clean the test site (usually on your back or arm) with alcohol. Place drops of the allergens on …
Medical tests
… can be collected by having you spit into a tube. It isn't painful. A cheek swab collects cells from the inside lining … days. Risks Risks from gathering a sample There is a very low risk of problems from taking samples of blood, saliva, … change, you may have preventive or treatment options to reduce the impact or severity of the disease. Your pregnancy …
Medical tests
… . Overproduction of hormones by the adrenal glands . Low values Low progesterone values may be caused by: Problems with … . Overproduction of hormones by the adrenal glands . Low values Low progesterone values may be caused by: …
Medical tests
… Urine sodium levels are often high when blood levels are low. The urine sodium level is often low when blood levels are high. Urine sodium levels are … hands. How It Feels This test usually doesn't cause any pain or discomfort. Risks There is very little chance of …
Medical tests
… rate, muscle strength, and mental alertness. They also lower the amount of blood going to the skin and intestines … medicines can also cause high catecholamine levels. Low values Low levels of catecholamines usually do not indicate a …
Medical tests
… pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … will watch you through a window, and you'll be able to talk back and forth. If contrast material is needed, the … can take as long as 2 hours. How It Feels You won't have pain from the magnetic field or radio waves used for the MRI …
