321 results found
Medical tests
… exercise, have a fever, or are under stress. It will be slower when you are resting. Why It Is Done Your pulse is … rapid heartbeat (palpitations), dizziness, fainting, chest pain, or shortness of breath. Check for blood flow after an … pulse while you exercise. How It Feels Checking your pulse should not cause pain. Risks Checking your pulse should not …
Medical tests
… to see how well the immune system is working in people who have been diagnosed with human immunodeficiency virus (HIV) … CD4+ counts generally decrease as HIV progresses. A low CD4+ count usually means a weakened immune system and a … HIV, the CD4+ count almost always goes up with treatment. Low CD4+ counts make infections more likely. Related …
Medical tests
… that are important to many health problems. Pregnancy: Should I Have Amniocentesis? Why It Is Done Amniocentesis … unless problems occur during the test. You will lie on your back on an examination table. Your belly will be cleaned … in your belly. To keep yourself comfortable, breathe slowly and relax your belly muscles during the test. Risks …
Medical tests
… uses ultrasound to measure the thickness of the skin at the back of your baby's neck. An increase in the thickness can … 1 out of a number less than 200 (such as 1 out of 100), you have a positive result. This means that your baby has a … means that you have a negative result and your baby has a lower chance of a birth defect. But it doesn't guarantee …
Medical tests
… of nausea, vomiting, loss of appetite, bloating, belly pain and cramping, and fever. Find and identify certain … Find out if treatment for an infection has worked as it should. How To Prepare Tell your doctor if you have recently … a recent test with contrast material , such as a barium swallow or a barium enema. How It Is Done Stool samples can be …
Medical tests
… a good idea to get genetic counselling before deciding to have testing. Genetic counselling may involve: Discussing … 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, …
Medical tests
… your mouth to your stomach. The doctor will ask you to swallow as the tube goes down. The transducer is at the tip of … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get … during your procedure. Your doctor will tell you if you should stop taking any of them before the procedure and how …
Medical tests
… of pregnancy. If there is a chance that your baby may have problems during your pregnancy ( high-risk pregnancy ), … you have a fetal ultrasound . For the tests, you will lie back on a padded examination table. If you become short of breath or light-headed while lying on your back, say so. The technician can help you change your …
Medical tests
… be done so your doctor can find out right away whether you have strep throat. There is another test for strep, called a … test. How It Is Done You will be asked to tilt your head back and open your mouth as wide as possible. Your doctor … and throat. A clean cotton swab will be rubbed over the back of your throat, around your tonsils, and over any red …
Medical tests
… ). It is often done to check lymph nodes to see if you should have lung removal surgery to treat lung cancer. … blood count or clotting factors, before your procedure. Follow the instructions exactly about when to stop eating and … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get …
