An estimated hematocrit as a percentage may be derived by tripling the hemoglobin concentration in g/dL and dropping the units. (wikipedia.org)
Optimal hematocrit levels have been studied through combinations of assays on blood sample's hematocrit itself, viscosity, and hemoglobin level. (wikipedia.org)
Additionally, the health conditions associated with certain hematocrit levels are the same as ones associated with certain hemoglobin levels. (wikipedia.org)
Most of these machines in fact do not directly measure the hematocrit, but instead, calculate it based on the determination of the amount of hemoglobin and the average volume of the red blood cells. (medicinenet.com)
however, determinations of hemoglobin or hematocrit concentrations are often delayed, may not reflect current hematologic status, and are not clinically useful in the setting of acute postpartum hemorrhage. (medscape.com)
Also, lipopolysaccharide caused significant decreases in red blood cells, white blood cells and platelets counts, hemoglobin content and hematocrit percent. (medicaljournal-ias.org)
To evaluate the effect of two models of chronic stress in rats and their association with induced periodontitis on hematological parameters: mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), hematocrit (Ht), erythrocytes (Hm), hemoglobin (Hg) and leukocytes (Lk). (bvsalud.org)
Patients using large doses of anabolic drugs is necessary periodic determination of hemoglobin and hematocrit because of possible polycythemia. (1bpshop.com)
While known hematocrit levels are used in detecting conditions, it may fail at times due to hematocrit being the measure of concentration of red blood cells through volume in a blood sample. (wikipedia.org)
Moreover, plasma separation cards cards collect a defined volume of plasma, making the determination of analyte concentration much simpler. (telimmune.com)
Analyte1
Baseline and 24-hr analyte determinations were performed and outcome was analyzed. (nih.gov)
Subject's2
It does not account for the mass of the red blood cells, and thus the changes in mass can alter a hematocrit level or go undetected while affecting a subject's condition. (wikipedia.org)
Blood volumes (BV) were calculated based on PV and the subject's hematocrit. (karger.com)
Glucose2
Preadult L. salmonis caused significant increases in plasma chloride, osmolality, glucose, lactate, and cortisol and a significant reduction in haematocrit. (nofima.no)
Product name]PT1000 blood gas analyzer [Intended use] It is used in conjunction with the blood gas determination kit manufactured by our company to quantitatively detect the following substances in human whole blood samples in vitro: Acidity and alkalinity (pH), partial pressure of carbon dioxide (pCO2), partial pressure of oxygen (pO2), sodium ion (Na+), potassium ion (K+), calcium ion (Ca++), glucose (Glu), lactic acid (Lac), hematocrit (Hct) parameters. (eindiabusiness.com)
Dehydration2
Hematocrit levels that are too high or too low can indicate a blood disorder, dehydration, or other medical conditions. (wikipedia.org)
Dehydration produces a falsely high hematocrit that disappears when the proper fluid balance is restored. (medicinenet.com)
Diagnostic3
The SCI24H Hematocrit Centrifuge with AC24P rotor is used for determination of volume fractions of erythrocytes in blood for diagnostic purposes and doping tests and also for separation of micro blood and solutions. (petermediphar.com)
Zehtabchi S, Sinert R, Goldman M, Kapitanyan R, Ballas J. Diagnostic performance of serial haematocrit measurements in identifying major injury in adult trauma patients. (downstate.edu)
Simply put, people have varying amounts of red blood cells per volume (hematocrit volume), and this introduces volumetric uncertainty during diagnostic testing. (telimmune.com)
Typically2
clarification needed] Typically, a higher hematocrit level signifies the blood sample's ability to transport oxygen, which has led to reports that an "optimal hematocrit level" may exist. (wikipedia.org)
The hematocrit is typically measured from a blood sample by an automated machine that makes several other measurements of the blood at the same time. (medicinenet.com)
Endotoxin1
Lemulus amebocyte lysate (LAL) test is specificly used for determination of the endotoxin limit. (medicaljournal-ias.org)
Percentage3
The hematocrit (/hɪˈmætəkrɪt/) (Ht or HCT), also known by several other names, is the volume percentage (vol%) of red blood cells (RBCs) in blood, measured as part of a blood test. (wikipedia.org)
Because the purpose of red blood cells is to transfer oxygen from the lungs to body tissues, a blood sample's hematocrit-the red blood cell volume percentage-can become a point of reference of its capability of delivering oxygen. (wikipedia.org)
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Volume3
There are other names for the hematocrit, such as packed cell volume (PCV), volume of packed red cells (VPRC), or erythrocyte volume fraction (EVF). (wikipedia.org)
Calculated hematocrit is determined by multiplying the red cell count by the mean cell volume. (wikipedia.org)
The hematocrit is the proportion, by volume, of the blood that consists of red blood cells . (medicinenet.com)
High3
That is, if packed red cells are being supplied, the sample will contain a large amount of those cells and the hematocrit will be artificially very high. (wikipedia.org)
It is used for the photometric determination of bilirubin content in neonate blood samples. (petermediphar.com)
Levels2
Through differential spectrophotometry, the differences in optical densities of a blood sample flowing through small-bore glass tubes at isosbestic wavelengths for deoxyhemoglobin and oxyhemoglobin and the product of the luminal diameter and hematocrit create a linear relationship that is used to measure hematocrit levels. (wikipedia.org)
Hematocrit levels also serve as an indicator of health conditions. (wikipedia.org)
Accurate1
The hematocrit is slightly more accurate, as the PCV includes small amounts of blood plasma trapped between the red cells. (wikipedia.org)
Means1
For example, a hematocrit of 25% means that there are 25 milliliters of red blood cells in 100 milliliters of blood. (medicinenet.com)
Tests1
Blood was taken for hematocrit determination, examination for asexual forms of P. falciparum , full blood count, blood cultures, biochemical screen, and viral serologic tests. (cdc.gov)
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Cells1
Hematocrit can vary from the determining factors of the number of red blood cells. (wikipedia.org)
Directly1
With modern lab equipment, the hematocrit can be calculated by an automated analyzer or directly measured, depending on the analyzer manufacturer. (wikipedia.org)
Large1
In micro-circulation, the Fåhræus effect will take place, resulting in a large change in hematocrit. (wikipedia.org)
obtained from the father of the child for Laboratory investigations showed publication of this case report and any haemoglobin of 4 g/dL, haematocrit accompanying images. (who.int)