Hemocytometer and Hemocytometry
Structure of a Hemocytometer A traditional hemocytometer and Hemocytometry consists of a thick glass microscope slide with a grid etched […]
Pathology – I
Blood Sample Collection
Introduction Blood sample collection is a vital procedure in laboratory medicine for diagnosing, monitoring, and predicting diseases. The accuracy of
Preparation of various components of blood for transfusion
Introduction Whole blood contains: Red Blood Cells (RBCs) White Blood Cells (WBCs) Platelets Plasma (with clotting factors, proteins, electrolytes) Modern
Blood Smear Preparation and Staining
Introduction Peripheral blood smear examination is a fundamental hematological technique used to study the morphology of blood cells. It helps
Lupus Erythematosus cells
Introduction The LE (Lupus Erythematosus) cell phenomenon is a classical immuno-hematological finding associated with autoimmune diseases. It was first described
Transfusion reaction
Introduction Blood transfusion is a life-saving therapeutic procedure widely used in medical and surgical practice, but it is not without
ABO Blood Group System
Introduction The ABO blood group system is the most important classification used for blood transfusions, categorizing human blood into four
Staining of bone marrow smear
Introduction Bone marrow is the main factory of blood cells. It produces red cells, white cells, and platelets. Many blood
Anticoagulants
Introduction Anticoagulants play a crucial role in ensuring that blood samples remain in a fluid state for testing, storage, and
Leukaemia
Leukaemia Leukaemia is a type of cancer originating in the hematopoietic tissues, particularly the bone marrow, leading to the overproduction
Anaemia
Definition of Anaemia Anaemia is a reduction in the quantity or functionality of red blood cells (RBCs) or haemoglobin in
Composition and Functions of Blood
Introduction Blood is a vital fluid in the human body that plays a crucial role in maintaining homeostasis and supporting
Determination of PCV
AIM: Determination of PCV (Packed Cell Volume), also known as hematocrit (HCT) Microhematocrit Method Principle The principle of the microhematocrit
Erythrocyte sedimentation rate
AIM: Determination of Erythrocyte sedimentation rate (ESR) Principle The ESR is based on the principle of gravity and the aggregation
Determination of Hemoglobin
AIM: Determination of Hemoglobin Principle of Sahli’s method When blood is added to 0.1 N hydrochloric acid, hemoglobin is converted
Laboratory Tests for Assessing Bleeding Disorders
Assessing bleeding disorders involves various laboratory tests to evaluate the hemostatic process. These tests can help determine the nature of