carboxyhemoglobin blood test (cohb blood test) procedure

carboxyhemoglobin blood test procedure principle

cohb blood test used to diagnose carboxyhemoglobin in the blood. Carboxyhemoglobin blood test procedure Normal blood is diluted 1:300 in a dilute ammonia solution (it prevents the precipitation of plasma proteins). It is placed in the cell of the Spectroscope. The instrument is set in such a way that bands of oxyhaemoglobin’s spectra overlap exactly. … Read more

wbc differential count test principle, procedure

wbc differential count test principle, procedure chart

WBC differential count test gives relative numbers of different types of WBC (leucocytes) in the well-spread and perfect blood smear. Even the distribution of white blood cells depends on meticulous techniques of blood film preparation. while the correct identity of white blood cells depends upon the quality of the stain. Note: If the edge of … Read more

Hemolysis test procedure, principle, interpretation

auto Hemolysis test procedure hematology

The hemolysis test is important in the blood bank when blood group “O” contains anti-A and anti-B antibodies which may be Hemolysin. Therefore hemolysis test procedure is the key test for hemolysis identification. When such blood group has a high titer of such antibodies are transfused in a person having blood group A, or blood … Read more

Manual rbc count formula, procedure by Neubauer chamber

Manual red blood cell count, formula procedure by Neubauer chamber

Learn about “Manual rbc count procedure” using Neubar chamber.. Red blood cells are an important part of our blood. It has hemoglobin protein which carries oxygen (Oxygenation) from the lungs and is transported to the different body parts like the brain, kidney, skin, hands, feet, etc., therefore, a red blood cell count test is important … Read more

MCV calculation formula , equation (mean corpuscular volume) low

MCV (mean corpuscular volume) is an important blood test in the hematology section of the morphological classification of anemia. Sometimes MCV high blood test but it can be decreased. This variation in MCV depends on many factors. MCV or mean corpuscular volume blood test directly link to red blood cells SIZE. When red blood cells … Read more

Tile method of blood grouping (forward and reverse blood grouping procedure)

tile method of blood grouping procedure

ABO blood group system was discovered by Karle Lanstiner in 1901. After a few years, other blood types like Rh, Kell, Kidd, Duffy, Lewis, Lutheran, and MNS were identified. It is important abo blood grouping methods to screen blood groups in the blood banks. There are two abo blood grouping tube methods in the blood … Read more

Coomb test in blood bank (anti-globulin test) principle, procedure

Coomb test in blood bank (anti-globulin test) principle, procedure

Coomb test or anti-globulin test is an important test in blood bank. Coomb’s test has two types dirct coomb test and indirect coomb test. This test is used assess the sensitized red blood cell. RBC sensitized by the IgG antibodies or by the complements. How many types of coomb test in blood bank? There are … Read more

Indirect coombs test principle, procedure, purpose

indirect coomb test principle, procedure, indications

Indirect Coombs test or indirect antiglobulin test is a type of coombs test, it is an important test for the detection of circulating antibodies in the plasma, which do not agglutinate cells suspended in the saline. It depends on the combination of in vitro of an antibody with its specific antigen. Indirect Coombs test principle … Read more

Direct antiglobulin test (Coomb’s-DAT) principle, procedure

Direct antiglobulin test or direct Coomb’s test is an important test for the diagnosis of haemolytic disease in newborns. Sometimes IgG sensitizes the RBC but it cannot produce agglutination. Due to the small size of IgG, it is unable to overcome the force that causes rbc to repel one another, resulting in a failing cross-linked … Read more

what are the differences between serum and plasma (serum vs plasma)

Difference-between-Serum-and-Plasma

Difference between serum and plasma Following are the differences between serum and plasma. Serum Plasma The serum is fluid. Plasma is liquid. Fibrinogen absent It contains fibrinogen. It obtains after blood clotting. Obtains before the coagulation process. It is used for blood typing and diagnostic purposes also.    Study the Blood clotting disease. Difference between … Read more