Reference values ​​of von Willebrand factor activity are 58-166%. von Willebrand factor synthesizes endothelial cells and megakaryocytes. It is necessary for normal adhesion of platelets and ha...

Reference values ​​of APTT are 25-35 s. APTTV is one of the most valuable common tests to get an idea of ​​the blood coagulation system. APTTV is a test that detects the clear plasma defects o...

Reference values ​​of the activity of factor IX in blood plasma - 60-140%. Factor K( the Christmas factor, antihemophilic globulin B) belongs to the p-globulin, takes an active part in the ...

Fibrinogen ( factor I) is a protein synthesized primarily in the liver. In blood, it is in a dissolved state, but as a result of the enzymatic process, under the influence of thrombin and fa...

When interpreting laboratory tests it is useful to use the notion of "threshold of a clinical solution".Under the latter, mean the value of the laboratory result, in which immediate medical ac...

The concentration of lithium in the blood serum is normally 0.14-1.4 μmol / l, with the intake of lithium preparations in therapeutic doses of 0.8-1.3 mmol / l. Toxic concentration is more tha...

The immune system performs the function of protecting the body from foreign agents and from altered potentially dangerous own components. The term "immune" comes from the Latin word "free from...

With IgE( reactive), the mechanism of atopic allergic reactions is closely related. They have the ability to fast fixation on skin cells, mucous membranes, mast cells and basophils, therefore in ...

Hb - the main component of erythrocytes, is a complex protein consisting of heme and globin. The main function of Hb is to transfer oxygen from the lungs to the tissues, as well as to remove c...

The number of red blood cells in the blood( RBC) is one of the most important indicators of the blood system. Erythrocyte is the most numerous blood element that contains Hb. It is formed from...

The most important stage in evaluating the results of laboratory studies is the establishment of a difference in the norm from pathology. This is not difficult to do with an obvious deviation fro...

Normally, the relative total number of T-lymphocytes in the blood in adults is 58-76%, the absolute amount is 1,1-1,7x109 / l. Mature T-lymphocytes are responsible for the reactions of cel...

The basic principle of evaluating the results of a comprehensive study of the immune status in a patient is the quantitative and functional evaluation of all its links( antigen-specific and an...

Significant progress in hematology research is connected in recent years with the use of modern immunological methods and automated means for analyzing and sorting cells of peripheral blood and b...

The number of white blood cells( WBC) in circulating blood is an important diagnostic indicator. Leukocytes are formed in the red bone marrow and in the lymph nodes. The main function of leukocyt...

Reference values ​​of antistreptolysin O( ASLO) in serum: adults - less than 200 IU / ml, children - up to 150 IU / ml. Infections caused by group A streptococcus always cause a specific i...

Glomerulonephritis is the most common form of primary kidney disease with a predominant lesion of the renal glomeruli. Currently, the concept of the immunoinflammatory genesis of this disea...

In the norm of AT to the basal membrane, glomeruli in the serum are absent. The presence of AT to the basal membrane of the glomeruli( anti-BMC) is most typical for patients with fast-prog...