281 results found
Medical tests
… a visual examination. Dental X-rays may also be done as follow-up after dental treatments. The following types of … radiation. Bitewing. These X-rays show the upper and lower back teeth in a single view. These X-rays are used to check … How It Feels X-rays take only a few minutes and are not painful. Some people may gag on the plastic or cardboard …
Medical tests
… levels of both renin and aldosterone. If renin levels are low and aldosterone levels are high, a tumour may be present … especially when potassium levels in the blood are low. How To Prepare For 2 to 4 weeks before the test, you … For 3 days before a renin test, you may be asked to follow a special low-sodium diet. You may be asked to not eat …
Medical tests
… including laxatives, aspirin, mouthwash, and toothpaste. Low sodium levels have many causes, such as heart failure, … minerals in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of … levels of the hormone aldosterone (hyperaldosteronism). Low levels Low sodium levels (hyponatremia) can be caused by …
Medical tests
… are not clear about whether you should start treatment to reduce your risk of coronary artery disease. footnote 1 A … takes about 30 minutes. How It Feels You won't have any pain from the X-rays during the coronary calcium scan. But … cancer from being exposed to small amounts of radiation is low. It is not a reason to avoid these tests for most …
Medical tests
… forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal … in the normal range may still be normal for you. High and low values Higher-than-normal amounts of both hemoglobin A2 … F may mean a mild form of thalassemia is present. A very low level of hemoglobin A and a high level of hemoglobin F …
Medical tests
… B12 to use folate. So if vitamin B12 levels are very low, folate can't be used by the cells, and high levels of … is not a reliable way to test for a vitamin B12 deficiency. Low values Low folate levels can also mean that you have a problem …
Medical tests
… a kidney stone through a ureter or the urethra may be painless or it may cause severe pain. A kidney stone may … little pain. A larger stone may cause a lot of pain in the lower back, groin, or genitals as it moves down the ureters or the …
Medical tests
… problems with organs or other structures in the pelvis and lower belly. During the examination, the doctor gently puts … It may also be done to check on symptoms, such as pelvic pain or vaginal bleeding. Help find the cause of symptoms … his chest. A woman is often examined while lying on her back on an examination table, with her feet raised and …
Medical tests
… , or bleeding. The test can help find the cause of joint pain or swelling. Normally, only a small amount of joint … a sedative may also be given. A long, thin needle is slowly inserted in the joint area. A syringe attached to the … A tight (pressure) bandage will be placed over the site to reduce swelling and bruising. An elastic bandage may also be …
Medical tests
… from your bladder. Your doctor will take it out at your follow-up visit. Why It Is Done Cystoscopy may be done to: Find … system problems. Examples include blood in the urine, pain when you urinate, incontinence , frequent urinary tract … give you other medicines and fluids. You will lie on your back on a table. You may have your knees bent, legs apart. …