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Chapter 13 & 12
Arterial Blood Collection & Blood Collection in Special Populations
| Question | Answer |
|---|---|
| Arterial Blood Gas Testing (ABG's) | Determines the concentrations of oxygen and carbon dioxide in arterial blood and the pH of the blood. |
| EMLA (eutectic mixture of local anesthetics) | Mixture of lidocaine and prilocaine. Must be applied 60 minutes before the draw. |
| Neonatal screening includes | PKU and Hypothyroidism |
| Using lidocaine, wait _________ minutes before the draw | 1-2 |
| Geriatric changes include: | Skin elasticity, thinner skin, bruising is more likely and it takes longer to replace cells so healing takes longer. *Arteries are often closer to the surface |
| Name special considerations for children (3 questions) | Anxiety, stress, crying |
| Which arteries are used for a Modified Allen Test? | Ulnar and Radial |
| Crying causes an increase in | WBC's |
| ABG Syringe is coated with | Heparin |
| How long do you apply pressure for after drawing ABG's (with and without blood thinners) | At least 5 minutes (if the patient isn't on blood thinners), 15 minutes (if the patient is on blood thinners) |
| Normal Blood pH | 7.35-7.45 |
| Abnormal ABG's | COPD, lung cancer, diabetic coma, shock, cardiac/respiratory therapy |
| Syringe/Venipuncture is | not heparinized |
| An arterial puncture is | heparinized |
| Arterial Puncture is cleaned with | Iodine and alcohol |
| For ABG collection use a _____ gauge needle | 21 or 22 |
| Radial artery puncture, the angle is _______ degrees | 45-60 |
| _____________ artery is the artery of chocie | Radial |
| In arterial blood collection, the needle should be inserted at a _________ degree angle. | 45 |
| A Modified Allen Test is performed on the ____________ and the ____________ arteries. | ulnar and radial |
| Capillary stick | Heel stick- Uses filter paper |
| Jaundice lab test: | Bilirubin |
| When warming an infant's heel for a dermal puncture, the hell should be warmed for | 3 to 5 minutes |
| Modified Allen test | Radial circulation |