HemoglobinCentrifugationCapillary tubesAbnormallyPlateletSerumSubject'sTransfusionCentrifugeViscosityPatientsConcentrationDehydrationParametersDecreaseVolumeAnemiaAnalyticalTypicallyRetrospective cohorPercentageChronicHighOddsDetectionLaboratoryLevelsMeasurementBiochemistryCardiacIncreaseTestHigherTotalFluidConventionalResultsMeansCellsDirectlyPlasmaDifferencesMedicalChangeSmearsArticleGroupsRelationship
Hemoglobin15
- 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)
- 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)
- This was the result of the decrease in hematocrit since MCHC=hemoglobin/hematocrit. (cdc.gov)
- The physiological indicators of the stress were blood glucose, cortisol and chloride levels, hematocrit, hemoglobin and total protein. (thieme-connect.de)
- Increase in hematocrit and hemoglobin and low plasma chloride levels were observed after transport in all treatments. (thieme-connect.de)
- The effect of low concentration dietary cadmium (7440439) on hemoglobin, hematocrit and serum amylase, zinc (7440666), copper (7440508), and ceruloplasmin was studied in male rats fed a semipurified diet. (cdc.gov)
- There were no changes in blood hematocrit or hemoglobin. (cdc.gov)
- Hemoglobin screening system Urit 12, from Urit Medical Electronic Group, gives you comfort with the Hemoglobin and haematocrit measurement. (medi-shop.gr)
- Hemoglobin screening system Urit 12 , from Urit Medical Electronic Group, it's a solution for hemoglobin and haematocrit measurement when you need it. (medi-shop.gr)
- With ISO9001, ISO13485, CE & FDA certifications and activity over on 100 countries and 470 service stations world wide, Urit 12, is the ideal solution for safe hemoglobin and haematocrit calculation. (medi-shop.gr)
- The calibrated BOLD method is susceptible to errors in the measurement of the calibration parameter M , the theoretical BOLD signal change that would occur if all deoxygenated hemoglobin were removed. (frontiersin.org)
- The red blood cells, hemoglobin, and hematocrit showed some degree of decline with the high dose. (sjweh.fi)
- 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)
Centrifugation5
- AHN myLab® Hematocrit Centrifuge 12000 rpm has an automatic system preventing the lid from opening upon centrifugation. (neobious.com)
- Proteomic and metabolomic analyses of the microsamples of 283 proteins and 1351 metabolite features was consistent with samples generated via a conventional centrifugation method. (researchgate.net)
- was consistent with samples generated via a conventional centrifugation method. (researchgate.net)
- Hematocrit may be measured directly by centrifugation or indirectly by automated methods. (medscape.com)
- Decreased spurious results may be seen by centrifugation methods when excess EDTA, hypernatremia, or in vitro hemolysis is present, or by automated methods when clotting, agglutination, hemolysis, or RBC microcytosis is evident. (medscape.com)
Capillary tubes1
- The rotor of AHN myLab® Hematocrit Centrifuge accommodates 24 capillary tubes of 75 / 45 mm length. (neobious.com)
Abnormally1
- An abnormally low hematocrit may suggest anemia, a decrease in the total amount of red blood cells, while an abnormally high hematocrit is called polycythemia. (wikipedia.org)
Platelet1
- This finding suggests that decreasing hematocrit or diminishing platelet function could be effective methods for lowering arterial thrombosis risk in high-risk patients. (unc.edu)
Serum1
- Osmotic challenges were monitored by serum measures, including osmolality and hematocrit. (ajnr.org)
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)
Transfusion1
- Hematocrit may be used as a cutoff to determine transfusion requirements. (medscape.com)
Centrifuge7
- The hematocrit can also be determined by a manual method using a centrifuge. (medicinenet.com)
- AHN myLab® Hematocrit Centrifuge is used for determination of volume fractions of erythrocytes (red blood cells) in blood and also for separation of micro blood and solutions. (neobious.com)
- AHN myLab® Hematocrit Centrifuge is extremely compact, taking the very minimum of your benchtop space. (neobious.com)
- AHN myLab® Hematocrit Centrifuge accelerates the samples up to 12000 rpm, corresponding to 14119 x g. (neobious.com)
- Equipped with a brushless DC motor, AHN myLab® Hematocrit Centrifuge is maintenance-free and ideal for extended run sessions. (neobious.com)
- AHN myLab® Hematocrit Centrifuge automatically saves the last run parameters. (neobious.com)
- AHN myLab® Hematocrit Centrifuge 12000 rpm detects unevenly loaded samples automatically. (neobious.com)
Viscosity1
- If its hematocrit value stays as mentioned above, the viscosity of blood exceeds that of water by three times only. (pravda.ru)
Patients6
- [ 23 ] Patients receiving high flow oxygen can have false low readings with a glucose meter using the glucose oxidase method. (medscape.com)
- Methods: A nested case control study was conducted among 131 patients with COVID-19 (40 COVID-19 patients with Pulmonary embolism and 91 COVID-19 patients with no PE) who were on follow up from May, 2021 to May, 2022. (who.int)
- Methods: Data from a clinical trial including postoperative patients after major abdominal surgery were analyzed. (lu.se)
- Methods Demographic, clinical and pharmacological variables, including tacrolimus whole blood concentrations obtained from therapeutic drug monitoring and data from dense-sampling pharmacokinetic profiles, were recorded in 26 paediatric patients with biliary atresia who underwent liver transplantation between 2016 and 2021. (unav.edu)
- Methods: This retrospective cohort study was performed using a random sample of patients presenting to the EC at the University Teaching Hospital of Kigali. (bvsalud.org)
- This cross-sectional descriptive study was performed in a group of apparently healthy dogs, regular patients of the Clinic "Tacuary 2" The hematologic values of 100 adult dogs of 23 different breeds were determined by manual techniques.The reference values were found using the classical or parametric method which is calculated based on the mean value plus minus twice the standard deviation (x±2s). (bvsalud.org)
Concentration1
- 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)
Dehydration2
- Dehydration produces a falsely high hematocrit that disappears when the proper fluid balance is restored. (medicinenet.com)
- Hematocrit levels that are too high or too low can indicate a blood disorder, dehydration, or other medical conditions. (wikipedia.org)
Parameters1
- The methods used to derive CBC parameters are based on the Beckman Coulter method of counting and sizing, in combination with an automatic diluting and mixing device for sample processing, and a single beam photometer for hemoglobinometry. (cdc.gov)
Decrease1
- Hematocrit rises with an increase in the number of red blood cells or a decrease in the plasma volume. (medscape.com)
Volume11
- The hematocrit is the proportion, by volume, of the blood that consists of red blood cells . (medicinenet.com)
- 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)
- 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)
- It indicates a hematocrit value or the ratio of the volume of red blood cells to a given volume of blood once it is centrifuged to separate the cells of the blood from the plasma. (pravda.ru)
- Blood volume was calculated from plasma volume measured using radiolabelled albumin and hematocrit. (lu.se)
- In a CBC blood test, the method in which the red blood cell count is determined is called a hematocrit, or packed cell volume. (vetinfo.com)
- Hematocrit (HCT) is measured as the ratio of the total RBC volume to whole blood using cumulative pulse height detection. (crlcorp.com)
- Conversely, hematocrit decreases when plasma volume increases or in states of decreased erythropoiesis or increased red cell destruction or loss. (medscape.com)
- Hematocrit may indicate that a patient has anemia, erythrocytosis, or changes in plasma volume. (medscape.com)
Anemia2
- However, the strong inverse relationship between anemia and acute kidney injury across sexes suggests the importance of reducing exposure to low nadir hematocrit. (nih.gov)
- Usual method for determining anemia. (clevelandheartlab.com)
Analytical3
- The analytical methods are described in the Description of the Laboratory Methodology section. (cdc.gov)
- This review first summarizes current analytical methods, such as immunoassay- and mass spectrometry (MS)-based approaches, including the accuracy of measurement and the inconsistency of the results. (degruyter.com)
- Despite the availability of analytical methods, the difficulty in obtaining high-quality and standardized microsamples at the point of collection remains a major limitation of the process. (researchgate.net)
Typically2
- 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)
- 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)
Retrospective cohor1
- Methods This retrospective cohort study was conducted at the Department of Obstetrics and Gynecology, Helsinki University Hospital, Finland, and comprised 214 antepartum singleton stillbirths from 2003 to 2015. (degruyter.com)
Percentage1
- The hematocrit (hct) is expressed as a percentage. (medicinenet.com)
Chronic1
- High hematocrits can be seen in people living at high altitudes and in chronic smokers . (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)
- [ 23 ] High hematocrit, as in neonates, can also cause false low blood glucose readings. (medscape.com)
- High exposure to VPA can lead to carnitine depletion causing a misbalance between the intra-mitochondrial beta-oxidation and the microsomal co-oxidation, a pathway that produces toxic metabolites such as 4-en-VPA which inhibits ammonia elimination. (unav.edu)
Odds1
- Odds ratios between nadir hematocrit and stage 2 or 3 acute kidney injury were calculated, and the interaction of sex with nadir hematocrit was tested. (nih.gov)
Detection1
- Flow cytometric detection of intracellular antigens has become a standard method in establishing proper leukemic cell lineage affiliation. (ijpmonline.org)
Laboratory1
- A detailed description of the laboratory method used can be found on the NHANES website. (cdc.gov)
Levels5
- Another way of measuring hematocrit levels is by optical methods such as spectrophotometry. (wikipedia.org)
- 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)
- Thus, tests on hematocrit levels are often carried out in the process of diagnosis of such conditions, and may be conducted prior to surgery. (wikipedia.org)
- Maintaining proper cholesterol levels/ratios, blood pressure, and hematocrit takes forethought and planning. (ironmagazine.com)
Measurement2
- The purpose of this review is to explore and identify the main problems in BNP clinical measurement and to present three types of approaches to resolve these problems, namely, materials, methods and instruments. (degruyter.com)
- Method of measurement: Childbirth Experiences Questionnaire vsersion 2.0 (CEQ2.0). (who.int)
Biochemistry1
- It provides hematocrit values (HCT) for testing in biochemistry, immunity, genetics, blood separation and for general clinical tests. (neobious.com)
Cardiac1
- Findings from a large multicenter experience showed that sex influenced the relationship between low nadir hematocrit and increased risk of acute kidney injury after cardiac surgery. (nih.gov)
Increase2
- The original and most popular method for measuring M uses hypercapnia (an increase in arterial CO 2 ), making the assumption that it does not affect CMRO 2 . (frontiersin.org)
- The original and most popular method for calculating M uses hypercapnia (an increase in arterial CO 2 ). (frontiersin.org)
Test1
- The galactose single point (GSP) test is one novel method of assessing residual liver function. (hindawi.com)
Higher1
- Specific approaches include research on novel BNP assays with higher-specificity chemical antibodies, the development of International System of Units (SI)-traceable reference materials, and the development of structure characterization methods based on state-of-the-art ambient and ion mobility MS technologies. (degruyter.com)
Total1
- These trends were seen in the total sample and across gender and age groups indicating possible method issues. (cdc.gov)
Fluid1
- Change in hematocrit during trauma assessment predicts bleeding even with ongoing fluid resuscitation. (medscape.com)
Conventional2
- Comparing the two groups shows that the vitrified oocyte of open pulled straw method had better and significant different survival rate than conventional method (p = 0.001). (scialert.net)
- Vitrification method commonly used conventional straw freezing, which seems to have many problems. (scialert.net)
Results1
- Overview of the National Infant Mortality Surveillance (NIMS) project--design, methods, results. (cdc.gov)
Means2
- For example, a hematocrit of 25% means that there are 25 milliliters of red blood cells in 100 milliliters of blood. (medicinenet.com)
- If the hematocrit is low, that means there aren't enough red blood cells in the body and the dog is anemic. (vetinfo.com)
Cells4
- The hematocrit is slightly more accurate, as the PCV includes small amounts of blood plasma trapped between the red cells. (wikipedia.org)
- Hematocrit can vary from the determining factors of the number of red blood cells. (wikipedia.org)
- K3 EDTA shrinks the red blood cells more than K2 EDTA resulting in lower hematocrit. (cdc.gov)
- Hematocrit is the fraction of whole blood composed of red blood cells. (medscape.com)
Directly1
- With modern lab equipment, the hematocrit can be calculated by an automated analyzer or directly measured, depending on the analyzer manufacturer. (wikipedia.org)
Plasma1
- Hematocrit may be decreased in pregnancy secondary to increased plasma volumes. (medscape.com)
Differences1
- We found no sex-related differences in the effect of nadir hematocrit on acute kidney injury after isolated coronary artery bypass grafting. (nih.gov)
Medical1
- In case of end-stage liver disease that is refractory to all methods of medical treatment, transferring the patient to a facility experienced in liver transplantation is preferable. (medscape.com)
Change1
- In micro-circulation, the Fåhræus effect will take place, resulting in a large change in hematocrit. (wikipedia.org)
Smears1
- The quality of blood smears made from blood collected using both methods was comparable. (vin.com)
Article1
- The method for performing the legal analysis underlying the information on this page is based on a 2018 peer reviewed article external icon published in the Maternal and Child Health Journal. (cdc.gov)
Groups1
- and population movements when methods and the population of the study migrant workers returned from endemic ar- was then stratified into 5 groups as fol- eas in the north of Iraq. (who.int)
Relationship1
- 001). There was no effect of sex on the relationship between nadir hematocrit and acute kidney injury (P = .67). (nih.gov)