329 results found
Medical tests
… the base of the penis. The testes produce sperm (which is needed for reproduction) and male hormones, such as … test is not usually used to find testicular cancer . If your doctor thinks you may have cancer, you will probably … blood thinners.) Make sure that you understand exactly what your doctor wants you to do. Tell your doctor ALL the …
Medical tests
… takes out a small amount of bone marrow fluid through a needle. Bone marrow biopsy uses a needle to take out a small … such as stem cell transplant or chromosomal analysis. You may get medicine to help you relax before the procedure. … lymphoma, has spread to the bone marrow. This is part of what is called staging . It is done to find out if the …
Medical tests
… to diagnose a: Skin condition (if it is not already clear what the condition is), such as psoriasis. Disease, such as … skin infection. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … is used to shave off the growth . Stitches are not needed. Any bleeding can usually be controlled with a …
Medical tests
… to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the … is getting worse or if treatment is working. You may need retinal imaging if: You have diabetes or diabetic … place of a complete eye examination. How To Prepare If you know that the doctor will use drops to widen, or dilate, …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for … The type of chemistry screen you have done depends on what information your doctor is looking for. A chemistry … This is called a "fasting blood test." Fasting isn't always needed. But it may be recommended. In most cases, you are …
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's … abstinence.) Learning about these changes can help you know when you ovulate . You can then time sexual intercourse … use fertility awareness as a method of birth control, you need to find your pattern of ovulation. You can do this by …
Medical tests
… for food to travel through the digestive tract . After you chew and swallow your food, it moves into your stomach, … into your large intestine (colon) where water is absorbed. Whatever hasn't been digested and absorbed by your … done to find the cause of diarrhea. How To Prepare You may need to change your diet for a few days before having this …
Medical tests
… space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … test, a dye is put into the subarachnoid space with a thin needle. The dye moves through the space so the nerve roots … blood thinners.) Make sure that you understand exactly what your doctor wants you to do. Be sure you have someone …
Medical tests
… problems or birth defects. Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is … Tests for Birth Defects? How To Prepare You do not need to do anything before you have this test. If you are …
Medical tests
… the amount of a protein called C-reactive protein in your blood. C-reactive protein measures general levels of … a CRP test cannot show where the inflammation is located or what is causing it. Other tests are needed to find the cause and location of the inflammation. …
