329 results found
Medical tests
… Vitamin D Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … D to absorb calcium . Calcium keeps your bones and muscles healthy and strong. If your muscles don't get enough … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… Thoracentesis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … The procedure may be done to help with shortness of breath and pain caused by the fluid buildup. Or you may have … anesthetic in your chest wall so you won't feel any pain when the longer needle that withdraws the fluid is inserted. …
Medical tests
… Vision Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … errors, such as nearsightedness or farsightedness , occur when light rays entering the eye can't focus exactly on the … such as diabetic retinopathy , or to find out if a treatment is working. To find out if you need glasses or …
Medical tests
… Sputum Culture On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. … infection may include having a hard time breathing, pain when breathing, or a cough that produces bloody or greenish …
Medical tests
… Homocysteine On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … otherwise unexplained blood clots. How To Prepare Do not eat or drink anything (other than water) for at least 8 … needle to fill it with blood. Remove the band from your arm when enough blood is collected. Put a gauze pad or cotton …
Medical tests
… Angiogram (MRA) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … hold still during the scan. You may be asked to hold your breath for short periods. You may be alone in the scanning … If a contrast material is used, you may feel some coolness when it is put into your IV. In rare cases, you may feel: …
Medical tests
… and Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … from the same spot or from a different area on your body. When the procedure is done, the doctor or a nurse will put … spread and how much it has spread. This helps plan cancer treatment. Find infections or tumours that may start in or …
Medical tests
… Perfusion Scan On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … damaged by a heart attack. A set of pictures will be made when you are at rest and after your heart has been stressed, … Identify coronary artery disease (CAD) . Help make treatment decisions for a person with CAD. Check to see that …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … between the heart and other structures in the chest when the heart beats. Some diseases cause fluid to collect within the …
Medical tests
… Ultrasound On this page: Test Overview Why It Is Done How to Prepare How It Is Done How It Feels Risks Results … used to look for a cyst, tumour, or abscess that may need treatment. It may also be used to help guide the placement of … being looked at, you may get special instructions such as when you can eat or drink. How It Is Done This test is done …