The Packed Cell Volume (PCV) Test 1. Objective: This is one of the oldest tests done in medical practice. The objective of this test was to determine the percentage of red blood cells (RBCs) in whole blood. It also helped to assess the blood’s capacity to carry oxygen. ________________________________________ 2. Principle: The test was based on the principle that when blood was centrifuged, the red blood cells settled at the bottom of the tube, forming a packed column. The ratio of the packed RBC column to the total blood column gave the packed cell volume (PCV), expressed as a percentage. ________________________________________ 3. Materials: • Microhematocrit capillary tubes • Microhematocrit centrifuge • Plasticine or sealing clay • Microhematocrit reader • Lancet • Alcohol swab • Cotton ________________________________________ 4. Procedure (Microhematocrit Method): 1. The fingertip was cleaned with an alcohol swab and pricked with a sterile lancet. 2. Blood was collected into ...
Autoimmune diseases are those in which the body , for unknown reasons begin to fight itself and lead to major health consequences such as muscular and CNS degeneration, internal bleeding, severe damage to body tissue, abnormal growth that affects organs, and changes in the way body organs function e.t.c. Coined from the words "Auto" and "immune" it stresses that the condition generates internally–for unknown reasons–abd harms it's own system. Think about a snake swallowing its own self from the tail end! Some common autoimmune diseases include; Hashimoto's autoimmune thyroiditis,Celiac disease,Type 1 diabetes mellitus,Graves' disease,Inflammatory bowel disease (IBD). SYSTEMIC LUPUS ERYTHEMATOUS Systemic lupus erythematous is one of such auto immune diseases. It is a group of autoimmune disease with an unknown cause. It affects many organs, especially skin, joints and kidneys. Lupus results in the immune system attacking the body's cells and tissues...
Comments
Post a Comment