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Topic: Blood count


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In the News (Wed 9 Dec 09)

  
  Reference.com/Encyclopedia/Complete blood count
Abnormally high or low counts may indicate the presence of many forms of disease, and hence blood counts are amongst the most commonly performed blood tests in medicine.
In the past, counting the cells in a patient's blood was performed manually, by viewing a slide prepared with a sample of the patient's blood under a microscope (a blood film, or peripheral smear).
Counting chambers that hold a specified volume of diluted blood (as there are far too many cells if it is not diluted) are used to calculate the number of red and white cells per litre of blood.
www.reference.com /browse/wiki/Complete_blood_count   (1019 words)

  
 Blood count
A complete blood count is actually a series of tests in which the numbers of red blood cells, white blood cells, and platelets in a given volume of blood are counted.
In addition to counting actual numbers of red cells, white cells, and platelets, the automated cell counters also measure the hemoglobin and calculate the hematocrit and the red blood cell indices (measures of the size and hemoglobin content of the red blood cells).
A differential white cell count is done by staining a smear of the patient's blood with a Wright's stain, allowing the different types of white cells to be clearly seen under the microscope.
www.healthatoz.com /healthatoz/Atoz/ency/blood_count.jsp   (929 words)

  
 blood count - Encyclopedia.com
blood count method for determining the number of red (erythrocytes) and white (leukocytes) blood cells in a certain volume of blood.
A determination of the percentage of various types of white blood cells (neutrophils, lymphocytes, eosinophils, basophils, and monocytes) is called a differential blood count.
A complete blood count (CBC) is an extended series of tests to determine such additional factors as the hemoglobin concentration of red blood cells and the amount of platelets in the blood.
www.encyclopedia.com /doc/1E1-bloodcou.html   (1307 words)

  
 Blood Cells & Complete Blood Counts (CBC) in Animals
A complete blood count is a count of the total number of cells in a given amount of blood, including the red and white blood cells; often referred to as a CBC, it is one of the most common tests done to check for abnormalities of the blood.
The second type of test is a blood chemistry panel that measures the quantities of various electrolytes, enzymes, or chemical compounds in the liquid portion of the sample.
After the tube is spun, it is examined and the PCV is determined as the percentage of the cellular portion relative to the total amount of blood in the tube (i.e., remainder being the plasma).
www.peteducation.com /article.cfm?cls=0&cat=1474&articleid=987   (2249 words)

  
 Complete Blood Count
The hemoglobin test measures the amount of hemoglobin in blood and is a good indication of the blood's ability to carry oxygen throughout the body.
The number of white blood cells is sometimes used to identify an infection or monitor the body's response to cancer treatment.
Blood should be drawn fasting in the morning and before you take iron or a blood transfusion.
www.informedcenters.com /CBC.htm   (1158 words)

  
 Blood Count | World of Health
A complete blood count is actually a series of tests in which the numbers of red blood cells, white blood cells, and platelets in a given volume of blood are counted.
In addition to counting actual numbers of red cells, white cells, and platelets, the automated cell counters also measure the hemoglobin and calculate the hematocrit and the red blood cell indices (measures of the size and hemoglobin content of the red blood cells).
A differential white cell count is done by staining a smear of the patient's blood with a Wright's stain, allowing the different types of white cells to be clearly seen under the microscope.
www.bookrags.com /research/blood-count-woh   (770 words)

  
 blood count. The Columbia Encyclopedia, Sixth Edition. 2001-05
Leukemia, for instance, causes an increase in the white blood cell count, while a decrease in the number of red blood cells is associated with anemia.
A determination of the percentage of various types of white blood cells (neutrophils, lymphocytes, eosinophils, basophils, and monocytes) is called a differential blood count.
A complete blood count (CBC) is an extended series of tests to determine such additional factors as the hemoglobin concentration of red blood cells and the amount of platelets in the blood.
www.bartleby.com /65/bl/bloodcou.html   (168 words)

  
 Blood count Encyclopedia of Medicine - Find Articles   (Site not responding. Last check: )
A complete blood count is actually a series of tests in which the numbers of red blood cells, white blood cells, and platelets in a given volume of blood are counted.
In addition to counting actual numbers of red cells, white cells, and platelets, the automated cell counters also measure the hemoglobin and calculate the hematocrit and the red blood cell indices (measures of the size and hemoglobin content of the red blood cells).
A differential white cell count is done by staining a smear of the patient's blood with a Wright's stain, allowing the different types of white cells to be clearly seen under the microscope.
www.findarticles.com /p/articles/mi_g2601/is_0002/ai_2601000209   (921 words)

  
 Old World Aviaries: The Complete Blood Count
White blood cell count The total WBC count can also be determined by actually counting all of the granulocytes in a dilution of whole blood that is stained and put in a cell counting chamber called a hemacytometer.
Hemolysis is most commonly caused by improper handling of blood samples, such as forcibly expelling blood through the needle of the syringe, shaking rather than simply inverting the tube to mix blood with the anticoagulant, over centrifugation, or freezing and thawing of the sample.
Blood parasites are transmitted by bloodsucking insects (flies, mosquitoes, or mites) and whether they cause clinical signs of disease is determined by the type of parasite found and the species of bird involved.
www.oldworldaviaries.com /text/miscellaneous/blood_count.html   (2896 words)

  
 Glossary
Blood is composed of a liquid portion called plasma and three other components: red blood cells, white blood cells and platelets.
In umbilical cord blood transplantation, the use of stem cells in blood removed from the umbilical cords of newborns (a very rich source) is used for transplantation.
A blood vessel carrying blood which is relatively lacking in oxygen from the tissues towards your heart and lungs.
www.curesearch.org /glossary   (5943 words)

  
 ASCLS - Laboratory Testing - Hematology Tests
Blood for a CBC is usually collected from a vein in a lavender top tube containing an anticoagulant to prevent clotting of the specimen.
Blood in the blocked vessel cannot reach critical tissue, and the tissue dies.
In the laboratory she separates the blood cells from the liquid portion by centrifuging the specimen.
www.ascls.org /labtesting/labcbc.asp   (3437 words)

  
 Highbeam Encyclopedia - Search Results for Full blood count
The [delta]-aminolevulinic acid dehydratase (ALAD) polymorphism and bone and blood lead levels in community-exposed men: the normative aging study.
A Bayesian population model with hierarchical mixture priors applied to blood count data.
GM: When fed to rats it affected their kidneys and blood counts.
www.encyclopedia.com /SearchResults.aspx?Q=Full+blood+count   (1415 words)

  
 Complete Blood Count (CBC)
The number of white blood cells is sometimes used to identify an infection or to monitor the body's response to cancer treatment.
A high RBC count can also be caused by too little water in the body (dehydration), a result of drinking too little; other causes include frequent diarrhea or vomiting, excessive sweating, severe burns, and the use of diuretics.
The blood platelet count can appear low, even though the number of platelets may be normal, if the spleen is enlarged (due to certain types of cancer, for instance).
www.geocities.com /elenasdad2003/hw4260.asp.htm   (2702 words)

  
 Complete Blood Count
The red blood cell count is a measure of the number of RBCs in the body.
Eosinophils and basophils in the blood may be increased in allergic conditions.
Monocytes, the largest white blood cells in the bloodstream, remove dead cells and organisms from the blood.
www.kidshealth.org /parent/general/sick/labtest4.html   (672 words)

  
 Full Blood Count and Blood Smear - Patient UK
Blood cells are made in the bone marrow by blood 'stem' cells.
A blood sample is taken which is prevented from clotting by using a preservative in the blood bottle.
counts the number of red cells, white cells, and platelets per ml of blood.
www.patient.co.uk /showdoc/27000454   (995 words)

  
 Lymphoma Information Network - Testing: Blood Counts
Blood cell counts are used during diagnosis, treatment, and follow-up to determine the health of the patient.
Blood counts cannot by themselves determine whether a person has lymphoma but there are values that can determine whether everything is fine or if more tests are needed.
During treatment blood counts are very important to determine if that treatment is depleting healthy blood cells in addition to cancerous cells.
www.lymphomainfo.net /tests/bloodcounts.html   (806 words)

  
 Complete Blood Count (CBC)
If the count is too high (a condition called polycythemia), there is a chance that the red blood cells will clump together and block tiny blood vessels (capillaries).
The hemoglobin test measures the amount of hemoglobin in blood and is a good measure of the blood's ability to carry oxygen throughout the body.
Blood cells with different shapes or sizes can help diagnose many blood diseases, such as leukemia, malaria, or sickle cell anemia.
www.webmd.com /a-to-z-guides/complete-blood-count-cbc   (917 words)

  
 White Blood Cell Count: The Test
The WBC count is used to suggest the presence of an infection or leukemia.
A WBC count is normally ordered as part of the complete blood count (CBC), which is ordered for a wide variety of reasons.
The WBC count tends to be lower in the morning and higher in the late afternoon.
www.labtestsonline.org /understanding/analytes/wbc/test.html   (383 words)

  
 Managing the Side Effects of Cancer Treatment - Blood Count
However, some of your body’s normal cells, the hair follicles, the blood cells and the cells lining in the mouth and gastrointestinal tract are sensitive to these treatments and may also be damaged.
One function of red blood cells is to carry oxygen to the tissues in your body.
A platelet count is the blood test that measures the number of platelets in your body.
www.cancercenter.com /after-care-services/blood-count.cfm   (368 words)

  
 MedlinePlus Medical Encyclopedia: RBC count
Blood is drawn from a vein, usually on the inside of the elbow or the back of the hand.
The blood may be collected in a pipette (small glass tube), on a slide, onto a test strip, or into a small container.
The RBC count is almost always part of the CBC (complete blood count) test.
www.nlm.nih.gov /medlineplus/ency/article/003644.htm   (576 words)

  
 MedlinePlus Medical Encyclopedia: WBC count
A WBC count is a blood test to measure the number of white blood cells (WBCs).
The area is cleansed with antiseptic and punctured with a sharp needle or a lancet.
A WBC count is almost always done as part of a CBC (complete blood count).
www.nlm.nih.gov /medlineplus/ency/article/003643.htm   (543 words)

  
 Low Blood Count - White Cell, Red Cell, Platelet Blood Counts
Blood cells; red blood cells, white blood cells and platelets are made by the bone marrow.
If a person with low blood count is exposed to another person with an infectious disease (sexual contact or intimate contact) consult the physician as soon as possible for possible preventative medication.
Foods and beverages that are generally safe for those with low white blood cell count include steaming-hot foods, fruits that are peeled by the traveler, bottled (especially carbonated) beverages, hot coffee and tea, beer, wine, and water brought to a rolling boil for 1 minute.
www.chemocare.com /managing/low_blood_counts.asp   (2948 words)

  
 Complete Blood Count (CBC) - [Medical Test] - Quest Diagnostics Patient Health Library
For example, the red blood cell (RBC) count, hemoglobin (Hgb), and hematocrit (HCT) are the most important values needed to tell whether a person has anemia, but the red blood cell indices and the blood smear also help with the diagnosis and may show a possible cause for the anemia.
To see if the white blood cell (WBC, leukocyte) count is good and how the cells look on the smear, your health professional will look at both the number (WBC count) and the WBC differential.
Blood cells are normal in shape, size, color, and number.
www.questdiagnostics.com /kbase/topic/medtest/hw4260/results.htm   (720 words)

  
 COMPLETE BLOOD COUNT (CBC)
All blood cells are made in the bone marrow, the center of large bones.
Red blood cells carry oxygen from the lungs to cells throughout the body.
Hemoglobin (HGB) is a protein in red blood cells that actually carries oxygen from the lungs to the rest of the body.
www.aids.org /factSheets/121-Complete-Blood-Count-CBC.html   (901 words)

  
 Complete Blood Count: The Test
White blood cell (WBC) count is a count of the actual number of white blood cells per volume of blood.
Red blood cell (RBC) count is a count of the actual number of red blood cells per volume of blood.
The platelet count is the number of platelets in a given volume of blood.
www.labtestsonline.org /understanding/analytes/cbc/test.html   (1127 words)

  
 Complete Blood Count (CBC) Information on MedicineNet.com
The complete blood count is the calculation of the cellular (formed elements) of blood.
A major portion of the complete blood count is the measure of the concentration of white blood cells, red blood cells, and platelets in the blood.
The number of red blood cells in a volume of blood.
www.medicinenet.com /Complete_Blood_Count/article.htm   (685 words)

  
 ACS :: How Will Chemotherapy Affect My Blood Cell Count?
If your red blood cell count falls too low, you may need a blood transfusion or treatment with a growth factor to boost red blood cell production by the bone marrow.
If your white blood cell count drops too much, your doctor may postpone treatment, give you a lower dose of chemotherapy, or prescribe treatment with a growth factor that boosts white blood cell production in the bone marrow.
These are the blood cells that help stop bleeding by plugging up damaged blood vessels and by helping your blood to clot.
www.cancer.org /docroot/MBC/content/MBC_2_2X_How_Will_Chemotherapy_Affect_My_Blood_Cell_Count.asp?sitearea=MBC&viewmode=print&   (875 words)

  
 Red Blood Cell Count Test (RBC)
The red blood cell (RBC) count, also coiled an erythrocyte count, is part of a complete blood count.
Explain to the patient that this test is used to evaluate the number of RBCs and to detect possible blood disorders.
If the patient is a child, explain to him (if he's old enough) and his parents that a small amount of blood will be taken from the finger or earlobe.
www.diagnostic-medical-tests.com /hematology-coagulation-tests/red-blood-cell-count.htm   (510 words)

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