What is ‘MVC’ in a blood test?

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Hematocrit (HCT): normal range males 40% to 54%; females 37% to 47%; neonates 48% to 68%.
Mean red blood cell volume (MCV): refers to the average volume of each red blood cell
Mean corpuscular hemoglobin (MCH): refers to the average content of hemoglobin in red blood cells
Mean red blood cell hemoglobin concentration (MCHC): refers to the average hemoglobin concentration per liter of red blood cells


Significance of HCT: 1. Increase: ①HCT is a reliable indicator to grasp the degree of blood dilution, and is often used as the basis for fluid replacement in dehydrated patients; ②As an indicator of blood viscosity, red blood cell concentration is the main factor affecting the viscosity of whole blood, and the increase of HCT can cause Whole blood viscosity increases, causing hyperviscosity syndrome. Combined with other indicators of rheology, it is of great significance for the prediction of thrombotic diseases. 2. Reduction: seen in various anemia and blood thinning. Due to different causes of anemia, the degree of HCT reduction is not completely consistent with RBC and Hb values. The three are often combined to calculate the three average values of red blood cells for the morphological classification of anemia.