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 ...
The 'Post-partum' period is the period after child delivery when the mother's body is trying to heal from and get back to functioning as it used to before conception. The postpartum period begins soon after the delivery of the baby and usually lasts six to eight weeks and ends when the mother's body has nearly returned to its pre-pregnant state. Post partum bleeding and effects are a common concern among new mothers. Many wonder what is considered normal bleeding post-childbirth. This article will answer your questions regarding post-childbirth bleeding and help you determine whether or not you should be concerned with your own bleeding. Photo credit: mamahippie.com Postpartum bleeding symptoms are those of heavy menstrual period which are considered alarming signs by many women. Women who give birth at this stage, experience heavy blood flow. This bleeding requires careful management to avoid future problems. Do u know that u need rest in the postpartum, but so many...