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Quiz 5
review for quiz 5
| Term | Definition |
|---|---|
| US required newborn screening tests and what they are testing for | Hypothyroidism - thyroid does not make enough thyroid hormone (deficiency) and PKU (phenylketonuria) - inherited disorder that causes mental retardation |
| Values that are higher in capillary blood | Hemoglobin/glucose |
| Values that are higher in venous blood | Potassium, calcium, total protein |
| Indwelling lines | AKA VAD (vascular access device) - inserted into vein/artery and is used to administer fluids, meds, monitor bp or to draw blood |
| CVC | (central venous catheter) - refers to large veins emptying into heart, where it is inserted |
| PICC | (peripherally inserted catheter) - inserted into a central vein after insertion into the peripheral vein |
| Composition of capillary blood | contains arterial/venous blood |
| Meds that cause excessive bleeding | Any anti-coagulants (ex: heparin, warfarin) |
| Microtainer Draws - Departments of Lab - use | Purple - hematology Green - chemistry Brown - billirubin used in capillary tubes |
| Procedure when drawing from a patient who has an IV | use arm with no IV - if this is not possible, turn off drip for at least 2 minutes, discard first 5 ml of blood, note on req. that draw from IV and note all solutions ran in IV |
| Concerns when drawing from arthritic patients | may impede patient from extending limbs |
| Recommended depth and width for heel stick on premature infants | Depth: .65MM - .85mm Width: less than 2.4mm |
| Maximum age of child - heel stick | Approx. 12 months |
| Define latrogenic anemia and contributing factors | anemia caused by hospitalization procedures - phlebotomy is a major cause, especially in ICU patients |
| Reasons for dermal punctures | when traditional venipuncture is not possible - pediatric, geriatric, frequent glucose testing, patients on IVs |
| Tests that cannot be performed via dermal puncture | blood cultures, erythrocyte sedimentation rate (SEDRATES), co-ag tests |
| What should be done if a patient cries excessively during a draw | Note on req. because crying affects WBC count and ph level |
| Maximum depth - heel stick and maximum depth - dermal puncture | Heel stick: 2mm Dermal: 3mm |
| Blood collected when performing a dermal puncture | collects capillary blood (arterial/venous) -used for BT, GLU, alternative to ABG |
| Procedure performed prior to leaving nursery | remove all equipment, avoid bandages (choking hazard) - document date, time of collection, volume of collection and ID# on nursery log |
| Direction a dermal puncture should be made on finger | either side of fleshy pad but not extreme side |
Created by:
w027mrs
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