COLLECTION & HANDLING TIPS » Routine Venipuncture Show
Routine venipuncture procedures follow:
Blood thinners or anticoagulants are medicines that help prevent blood clots from forming. They include warfarin, heparin, dabigatran, rivaroxaban, apixaban, and edoxaban. Your healthcare provider will help you decide which medicine is best for you. Taking an anticoagulant safelyWhen you are taking a blood thinner, you will need to take certain steps to stay safe. Too much blood thinner puts you at risk for bleeding. Too little puts you at risk for stroke. Follow these guidelines. Also follow any others that your healthcare provider gives you.
Warfarin: Other important informationSeveral precautions are especially important when you are taking warfarin. Always keep these points in mind:
Warfarin: Watch your INR/PT blood levelsTwo tests are used to find out how your blood is clotting. One is protime (PT), the other is the international normalized ratio (INR).
Warfarin: Watch what you eatVitamin K helps your blood clot. So you have to watch how much you eat of foods that contain vitamin K. These foods can affect the way warfarin works. They don't affect the other non-warfarin blood thinners. Here are some specific tips:
Talk with your healthcare provider if you have concerns about these or other food products and their effects on warfarin.
When to call your healthcare providerCall your provider right away if you have any of these:
Allergic reactions:
Medical conditions and anticoagulantsBefore starting a blood thinner, be sure your doctor knows if you have any of these conditions:
Drug interactions and anticoagulantsMany medicines interfere with the effect of blood thinners. Before starting these medicines, be sure your doctor knows about any prescription, over-the-counter, or herbal supplements you take. In particular, tell your provider about:
Note: This information topic may not include all directions, precautions, medical conditions, drug/food interactions, and warnings for these medicines. Check with your doctor, nurse, or pharmacist for any questions you have. Which step is followed when drawing a blood sample?Take blood
Ask the patient to form a fist so the veins are more prominent. Enter the vein swiftly at a 30 degree angle or less, and continue to introduce the needle along the vein at the easiest angle of entry. Once sufficient blood has been collected, release the tourniquet BEFORE withdrawing the needle.
What should be done immediately after blood draw with blood tubes with additives in them?powdered tube should be lightly taped prior to use to settle the additive. the immediately invert after blood draw to mix the blood with additive. each inversion requires turning the wrist 180 degrees and back again.
When drawing multiple samples of blood from a patient which anticoagulant tube should be drawn first?The order of draw is based on CLSI Procedures and Devices for the Collection of Capillary Blood Specimens; Approved Standard - Sixth Edition, September 2008. This standard recommends that EDTA tubes be drawn first to ensure good quality specimen, followed by other additive tubes and finally, serum specimen tubes.
What is the order of draw?This is known as the Order of Draw. Blood Culture Tubes or Vials. Coagulation Tubes (Blue-Top Tubes) Serum Tubes without Clot Activator or Gel (Red-Top tubes) Serum Tubes with Clot Activator or Gel (Gold or Tiger Top Tubes)
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