The location is not allowed blood drawn are:
• The arm on the side of mastectomy
• Local edema
• Hematoma
• The area where the blood is being transfused
• Regional scars
• Areas with a cannula, fistula or graft vascular
• Regional Decision intra-venous blood lines in this area can cause blood becomes thinner and may increase or decrease the levels of certain substances.
There are two ways in venous blood sampling, which means the manual and how to vacuum. How to manually done by using a syringe (syring), while the vacuum method using vacuum tubes (Vacutainer). Some important things that must be considered in venous blood sampling are: • Installation of a tourniquet (rope hedge) o installation in long and too loud can causing hemoconcentration (hematocrit value increase / PCV and elements of cells), increased levels of substrate (total protein, AST, iron, cholesterol, total lipid) o remove the tourniquet is removed after the needle can cause hematoma • The needle is released prior to the vacuum tube is fully charged, resulting in air masukknya into the tube and destroys red blood cells. • Stabbing o stabbing that was not completely in contact with tissue fluids causes the entry so that it can activate clotting. In addition, the stabbing that many times also potentially cause a hematoma. o tutukan correct improper needle into the vein causing blood to leak with consequent hematoma • The skin is pricked still wet with alcohol causes hemolysis samples due to contamination by alcohol, burning and excessive pain to patients when done the stabbing. Taking Blood Veins with Syring Taking venous blood manually with a syringe (syring) is a way that is still prevalent in many clinical laboratories and health care facilities. This syringe is a simple piston pump consisting of a cylindrical tube, plunger, and needle. Various sizes of needles are often used ranging from the largest to the smallest size is: 21G, 22G, 23G, 24G and 25G. Taking blood with these injections done in elderly patients and patients with venous unreliable (fragile or small). Procedure: • Prepare the necessary tools: handskun, syring, perlak, cotton alcohol 70%, hedge cord (tourniquet), plaster, tube and documentation. For syring election, choose the size / volume in accordance with the number of samples to be taken, choose the appropriate needle size, and make sure the needle attached tightly. • Perform patient approach with calm and friendly; try the patient as comfortable as possible (Phase Orientation). • Identification of patients with correctly in accordance with the data in the request form. • Verify the state of the patient, such as fasting or drug consumption. Record if the patient is taking certain medications, etc. are not fasting. • Ask the patient to straighten his arm, select the arm that a lot of activity. • Have the patient fist. • Attach the strap hedge (tourniquet) approximately 10 cm above the elbow fold. • Select a section The median cubital vein or cephalic. Perform palpation (palpation) to ascertain the position of the vein; Venous palpable as a small pipe, ductile and have thick walls. If the vein is not palpable, do the ordering from the wrist to the elbow, or a warm compress for 5 minutes arm area. • Clean the skin on parts to be taken with a 70% alcohol cotton and let it dry. Skin that has been cleaned do not hold anymore. • Puncture section of vein with a needle hole position facing upwards. If the needle has entered the vein, blood will look into the syringe (called flash). Try once stab hit. • After blood volume is considered sufficient, loose tourniquet and ask the patient opened his fist. The volume of blood taken is approximately 3 times the amount of serum or plasma needed for the examination. • Put some cotton at the injection site and immediately release / pull the needle. Press cotton while ago plaster for approximately 15 minutes. Do not pull the needle before the tourniquet is opened. • Trim the patient and do documentation
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