291 results found
Medical tests
… a thin needle is inserted into the spinal canal in the lower back. After the needle is in place, a small amount of fluid … from an open sore. But syphilis sores usually aren't very painful. Spinal fluid sample You may feel some discomfort …
Medical tests
… is usually done by putting a long, thin needle through the back and into the kidney. The doctor may do several biopsies … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get … asked to lie on an examination table. A sandbag, a firm pillow, or a rolled towel will be placed under your body to …
Medical tests
… resonance imaging (MRI) test. Look for the cause of pain in the face. How To Prepare In general, there's nothing … of damage to cells or tissue from radiation, including the low levels of radiation used for this test. But the chance of damage from the X-rays is extremely low. It is not a reason to avoid the test. If you need an …
Medical tests
… with your arm extended and your wrist resting on a small pillow. The health professional taking the blood may rotate your hand back and forth and feel for a pulse in your wrist. A … site. How It Feels Collecting blood from an artery is more painful than collecting it from a vein. That's because the …
Medical tests
… with the baseline. With good treatment, the viral load should go down. Within a few months of treatment, the virus … viral load. This means that the amount of the virus is too low for the test to detect. When the virus is undetectable, … blood. It means that the amount of HIV in the blood was too low for the test to detect. CD4+ Cells …
Medical tests
… such as: Leaking urine. Feeling the need to urinate often. Pain when urinating. A weak stream of urine. Frequent … into a container while the amount of urine and how fast it flows out of the bladder are measured. A thin, flexible tube … feel the urge to urinate, and when you can no longer hold back urine are within normal ranges. Abnormal One or more of …
Medical tests
… a transducer sends sound waves that echo off your heart and back to the transducer. These echoes are turned into moving … for the cause of shortness of breath or unexplained chest pains. Check how well your heart is pumping blood. Check to … chambers. Measure the blood pressure and speed of blood flow through the heart. How to Prepare You don't need to do …
Medical tests
… heart rate and rhythm, breathing rate and rhythm, the flow of air through your mouth and nose, snoring, body muscle … are designed to be as comfortable as possible. They should not make it hard to sleep. At the start of the test, … also stay part of the next day. How It Feels You won't feel pain during these tests. It may feel odd to be hooked to the …
Medical tests
… uses ultrasound to measure the thickness of the skin at the back of the baby's neck. This screening also includes blood … ultrasound tech if your bladder is so full that you are in pain. If an ultrasound is done during the later part of … early in pregnancy.) Abnormal: The fetus is growing more slowly than normal, is small, or is less developed than it …
Medical tests
… a small hand-held unit called a transducer is gently passed back and forth over the breast. A computer turns the sound … may be done to: Find the cause of breast symptoms, such as pain, swelling, and redness. Check a breast lump found on … special Doppler ultrasound may be used to check the blood flow to the breast; you can hear the sound waves from this …
