Complete blood count (CBC) The complete blood count (CBC) concentrates on the three types of blood cells:white blood cells(WBCs), red blood cells (RBCs) and platelets.By measuring the volume of blood cells, the CBC allows a doctor to evaluate an individual’s overall health, as well as ...
Read more about a complete blood count » Download Ada Q: What is a healthy white blood cell (WBC) count? A:For an adult, a healthy WBC count is considered to be between 4,000 and 11,000 WBCs per microliter of blood. This is on average – some healthy individuals may have a hig...
Complete Blood CountLaboratory TestsDiagnostic AlgorithmsA complete blood cell count (CBC) is one of the most common laboratory tests in medicine. For example, at our institution alone, approximately 1800 CBCs are ordered every day, and 10% to 20% of results are reported as abnormal. Therefore,...
Anemiais a condition involving reduced blood capacity to transport oxygen. This results from either lower than normal levels ofred blood cellsor a decrease in the quantity or quality of hemoglobin, the protein that allows these cells to transport oxygen. Acomplete blood count panelmeasures various ...
Another commonly used technology, theCoulter Principle, was developed in the 1940s to identify and sort individual cells based on physical size and resistance to an electrical current. Medical laboratory professionals routinely use this technique to conductcomplete blood counttests, which measure unusual...
» Find out what a complete blood count test is and why you need it What are the causes of high white blood cell count? There are a few reasons why you might have high white blood cell count: Infection: As infection-causing bacteria or viruses multiply in the blood, your bone m...
A RAST test is an older type of allergy test that measures the blood for allergies. Learn how it's used, pros and cons, and how to interpret the results.
Figure 1. Each side of a two-sided hemocytometer is etched with nine major (1 mm) squares, and each square corresponds to a 0.1 μl volume. For most cell lines, count in the corner squares, but smaller cells such as red blood cells may be counted in the center square using a higher...
Prior to donating blood, the donor is given an information pamphlet to read. A health history is taken to ensure that the donor has not been exposed to diseases that can be transmitted by blood, and to determine if donating blood is safe for that person's own health. The donor's tempera...
Hemoglobinis measured as part of a complete blood count (CBC),a routine test that is commonly ordered by doctorsto help diagnose a range of conditions, such as infection, anemia and leukemia. To carry out a CBC, a blood sample – typically from a vein in the arm – first has to be ...