Hemotology

Blood Group Systems

  • Dayyal Dg.
  • | 21 Mar 2019
International Society of Blood Transfusion (ISBT) Working Party has organized red cell antigens into 25…
A single whole blood donation can be separated into different components to provide treatment to…
The organisms likely to be transmitted by transfusion are usually those, which are prevalent in…
Tuesday, 29 January 2019 06:23

Adverse Effects of Transfusion

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Blood transfusion is a life-saving procedure in an appropriate setting and there are no side-effects…
Thursday, 03 August 2017 11:55

PLATELET GLYCOPROTEIN ANALYSIS

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This is done by flow cytometric analysis for detection of lack of GpIb/IX in Bernanrd…
Thursday, 03 August 2017 11:33

TEST FOR D-DIMER

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D-dimer is derived from the breakdown of fibrin by plasmin and D-dimer test is used…
FDPs are fragments produced by proteolytic digestion of fibrinogen or fibrin by plasmin. For determination…
Automated hematology analyzers work on different principles:   Electrical impedance Light scatter Fluorescence Light absorption…
AUTOMATED HEMOTOLOGY ANALYZER Automation is a process of replacement of tasks hitherto performed by humans…
CAUSES OF ERRONEOUS RESULTS (INTERFERENCES CAUSING ABNORMAL RESULT)   These are listed in Table 809.1…
Saturday, 29 July 2017 12:54

PARAMETERS MEASURED BY HEMATOLOGY ANALYZERS

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Parameters measured by hematology analyzers and their derivation are shown in Tables 808.1 and 808.2.…
Saturday, 29 July 2017 10:37

FLOW CYTOMETRY

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FLOW CYTOMETRY   Flow cytometry is a procedure used for measuring multiple cellular and fluorescent…
Saturday, 29 July 2017 10:09

TERMINOLOGIES USED IN FLOWCYTOMETRY

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Fluorescence   A fluorochrome absorbs light energy and emits excess energy in the form of…
Leukemias and lympomas: Immunophenotyping (evaluation of cell surface markers), diagnosis, detection of minimal residual disease,…
Friday, 28 July 2017 05:05

PLATELET AGGREGATION STUDIES

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Platelet aggregation tests are carried out in specialized hematology laboratories if platelet dysfunction is suspected.…
Thursday, 27 July 2017 06:22

EXAMINATION OF BLOOD SMEAR

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A blood smear is examined for:   Red cells: Morphology, immature forms, inclusion bodies, arrangement…
Wednesday, 26 July 2017 12:45

MORPHOLOGY OF PLATELETS

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Platelets are small, 1-3 μm in diameter, purple structures with tiny irregular projections on surface.…
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