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Medical tests
… calculate your body fat. Results can vary based on how much water is in your body and where the electrodes are placed. … be harder to find and can cost a lot. They include: Underwater weighing. This is also called hydrodensitometry. It is … Air displacement plethysmography. This is similar to underwater weighing, but it uses air instead of water. Results …
Medical tests
… tests that show whether you have an active hepatitis B infection. The tests can also show if you had the infection in the past. The tests look for different signs of infection: Antigens , which are made by bacteria or viruses. …
Medical tests
… , uncontrolled diabetes , sleep disorders, or severe infections or who have had a drug overdose. How To Prepare … not be done on an arm used for dialysis or if there is an infection or inflammation in the area of the puncture site. … , uncontrolled diabetes , sleep disorders, or severe infections or who have had a drug overdose. How To Prepare …
Medical tests
… amount and type of antibodies you have shows whether your infection is recent or occurred in the past. More than one … of how much the blood sample can be diluted with a saltwater solution (saline) before the antibodies can no longer … of how much the blood sample can be diluted with a saltwater solution (saline) before the antibodies can no longer …
Medical tests
… to gain weight and to prevent brain damage, liver problems, infection, and cataracts . Galactosemia is a rare disease … to gain weight and to prevent brain damage, liver problems, infection, and cataracts . Galactosemia is a rare disease …
Medical tests
… You may be instructed not to eat or drink anything except water for 9 to 12 hours before having your blood drawn. This … In most cases, you are allowed to take your medicines with water the morning of the test. Do not eat high-fat foods the … You may be instructed not to eat or drink anything except water for 9 to 12 hours before having your blood drawn. This …
Medical tests
… increases. Your weight. The more you weigh, the more water you have in your body. The water dilutes the alcohol and lowers the blood alcohol level. Your sex. Women's bodies usually have less water and more fat than men's bodies. Alcohol does not go …
Medical tests
… fluid or urine samples. Gonorrhea is a sexually transmitted infection . That means it is spread through sexual contact. … not always cause symptoms. Tests used to find a gonorrhea infection include: Nucleic acid amplification tests (NAAT). … samples or samples of body fluid from the area where the infection is suspected. Gonorrhea culture. This is a test to …
Medical tests
… ( Chlamydia trachomatis ) are present and causing an infection. Nucleic acid amplification tests (NAAT) are used to find chlamydia infection. These tests use a sample of body fluid from areas … you may need to have tests for other sexually transmitted infections, including HIV. Health Tools Health Tools help …
Medical tests
… test is a blood test that shows if you have a hepatitis A infection now or had it in the past. The test looks for … virus. They will be in your blood if you have a hepatitis A infection now or have had one in the past. Hepatitis A IgM … are first infected. They disappear 3 to 12 months after the infection. Hepatitis A IgG antibodies. These appear 8 to 12 …