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Quiz 5

review for quiz 5

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