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Phlebotomy key terms
| Term | Definition |
|---|---|
| Antecubital space | Inside the elbow |
| Anticoagulant | Blood collection tube additive used because it prevents clotting |
| Blood cultures | Specimen drawn to culture the blood for pathogens |
| Butterfly | Winged infusion set |
| Evacuated tube | Tubes that fill with a predetermined volume of blood because of the vacuum inside the tube |
| Fasting | The patient must eat nothing after midnight until the blood specimen is drawn |
| Gel separator | Forms a physical barrier between the cellular portion of a specimen and the serum or plasma portion after specimen has been configured |
| Hematocrit | Packed red blood cell volume |
| Hematoma | Formation caused by blood leaking into the tissue during or after venipuncture |
| Hemochromatosis | Disorder that increases the amount of iron in the blood to dangerous levels |
| Hemoconcentration | Condition that causes an elevated hematocrit |
| Hemolysis | Rupturing of red blood cells causing release of intracellular contents into the plasma |
| Luer adapter | Needle holder |
| Lymphedema | Lymphatic obstruction |
| Multisample needle | System that facilitates collecting multiple tubes with a single venipuncture |
| Order of draw | Tube filling sequence for both collection of evacuated tubes and filling evacuated tubes from a syringe |
| Peak level | Highest serum level of a drug in a patient based on a dosing schedule, usually measured 60 mins after end of infusion |
| Polycythemia vera | Disease of having to many red blood cells, abnormally high hematocrit |
| Thrombosed | Veins that have been injured, lack resilience and roll easily |
| Through level | Drug level drawn immediately prior to a dose |
| Venipuncture | Process of puncturing a vein with a needle for the purpose of obtaining blood also known as a phlebotomy procedure |