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2024年3月22日 · What Are Triglycerides? You’ve probably heard of cholesterol. You might even know if your levels are too high. But what do you know about your triglycerides? More than a third of adults in the U.S....
2023年9月9日 · What Is a Microalbumin Urine Test? Who Needs a Microalbumin Urine Test? Diabetes and Kidney Disease. 4 min read. What Is Albumin? Albumin is a protein your body uses for tissue growth and repair....
2024年6月3日 · Uncontrolled blood sugar, or blood glucose, is a level that's outside of a healthy target range. It usually refers to blood sugar that's too high, which is a symptom of diabetes. Both extremely...
- Overview
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- Prognosis
- Prevention
- Causes
- Pathophysiology
- Clinical significance
The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T-cells, that move throughout your body to find and destroy bacteria, viruses, and other invading germs.
Your test results help your doctor know how much damage has been done to your immune system and what's likely to happen next if antiretroviral treatment is not initiated. All persons with HIV should be started on antiretroviral treatment regardless of whether the CD4 count is high or low. The CD4 count should increase in response to effective antir...
Keeping your CD4 count up with an effective antiviral treatment can hold off symptoms and complications of HIV and help you live longer. In fact, studies have found that patients who adhere to regular treatments can achieve a life span similar to persons who have not been infected with HIV.
Persons with very low CD4 counts may need to take drugs to prevent specific opportunistic infections in addition to taking their ART. Once the CD4 count increases in response to ART, it may be possible to stop taking these OI medications.
HIV damages your immune system because it targets CD4 cells. The virus grabs on to the surface of a cell, gets inside, and becomes a part of it. As an infected CD4 cell multiplies so it can do its job, it also makes more copies of HIV. HIV can destroy entire \"families\" of CD4 cells, and then the germs these cells fight have easy access to your bo...
Those new bits of virus find and take over more CD4 cells, and the cycle continues. This leads to fewer and fewer HIV-free, working CD4 cells.
A normal CD4 count is from 500 to 1,400 cells per cubic millimeter of blood. CD4 counts decrease over time in persons who are not receiving antiretroviral therapy. At levels below 200 cells per cubic millimeter, patients become susceptible to a wide variety of opportunistic infections, many of which can be fatal.
2023年11月14日 · TSH stands for “thyroid stimulating hormone, ” and the test measures how much of this hormone is in your blood. TSH is produced by the pituitary gland in your brain, which tells your thyroid ...
2022年12月16日 · Iron is a mineral in your body that comes from foods like red meat and fortified cereals or from supplements you take. You need iron to make red blood cells. Iron is also an important part of...
Learn more about VITAMIN C (ASCORBIC ACID) uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain VITAMIN C (ASCORBIC ACID).
