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CH8
Veinpuncture Equipment
| Question | Answer |
|---|---|
| Point | provides smooth entry into skin with minimum of pain. |
| Bevel | ANGLE that eases into skin preventing coring of tissue. |
| Shaft | the length and gauge of the needle. |
| Gauge | the DIAMETER of the needle's lumen |
| Lumen | the HOLLOW TUBE within the shaft |
| Lumen size | the SMALLER the gauge number, the LARGER the lumen |
| The LARGEST diameter needles routinely used in phlebotomy are | 16 Gauge |
| Gauge used in BLOOD BANK | 16-18 Gauge |
| The SMALLEST diameter needles routinely used in phlebotomy are | 23 Gauge |
| Typical routine adult needle size is | 21 Gauge |
| Hub | where the needle attaches to the holder |
| The most common size needle used for a SYRINGE | 22 Gauge, 1 inch long. |
| Winged infusion set | Butterfly |
| The most common size needle for the Butterfly/Winged Infusion set | 23 Gauge, 3/4 inch long |
| Whole Blood | is mixed with anticoagulant so it will not clot |
| Serum | Fluid remaining after clot has formed. |
| How long does it take for a clot to form (without activators)? | 30-60 minutes |
| Does SERUM contain FIBRINOGEN? | Serum DOES NOT CONTAIN FIBRINOGEN OR CLOTTING FACTORS, because it has been used in the clot. Not good for coagulation studies. |
| Plasma | Fluid portion of the blood. CONTAINS FIBRINOGEN AND CLOTTING FACTORS. Anticoagulant has been used |
| Anticoagulants that BIND CALCIUM | EDTA, Sodium Citrate, Potassium Oxalate, and SPS. |
| Anticoagulants that prevent the conversion of PROTHROMBIN TO THROMBIN | heparin (sodium, lithium or ammonium heparin) |
| Polymer gel | thixotropic gel, inert, synthetic substance with density between that of cells an blood serum or plasma. |
| Yellow Sterile | SPS-to recover microorganisms in a blood infection. |
| Light Blue | SODIUM CITRATE-for coagulation studies. Fill tube completely for 9/1 ratio. |
| Red (plastic or glass) | PLAIN - Chemistry/Serology/Blood Bank. Plastic-invert 5 times. 60 minutes to clot. |
| Lavender | EDTA - for CBC, Sed Rate |
| Pearl | Polymer gel with EDTA - for viral loads |
| Gold BD Hemogard Closure or Red Grey | Clot activators with Polymer Gel = SST - for most chemistry tests Invert 5 times, clots requires at least 30 minutes. |
| Gray | Sodium Fluoride &/or Potassium Oxalate - for FBS, GTT, Lactic Acid and blood ALCOHOL |
| Iodoacetate | Preserves blood glucose for 24 hours |
| Sodium fluuoride | Preserves blood glucose for 3 days. |
| Black | for Sed Rate, although a Lavender tube is usually used. |
| Green | Heparin - Stat Chemistry, ammonia, electrolytes, ABG's |
| Light Green | Heparin + Polymer gel - Stat Potassium |
| Orange BD Hemogard Closure or Yellow Gray | Thrombin - Stat Chemistry 5 MIN. CLOTTING TIME! |
| Royal Blue | Heparin, EDTA or None - for Toxicology, trace metals, nutritional analysis CHEMICALLY CLEAN TUBES |
| Tan | Heparin - for LEAD ANALYSIS (PLOMO) |
| Yellow, non sterile | Acid Citrate Dextrose - for Human leukocyte antigen test HLA, paternity testing and tissue typing |
| Pink | K2EDTA - Antibody screen, compatibility test in Blood Bank |
| Order of draw | Yellow sterile, Light blue, Red, Gold (clot activator), Green, Lavender, Grey |
Created by:
glamorousglenys
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