Question

E. The patient attempts to jerk her arm away as you are inserting the needle. CHAPTER 26 I ARTERIAL BLOOD GAS SAMPLING 425 You have reangled the needle three times and are still unable to get the blood sample. G. You notice swelling under the puncture site when you remove the needle. H. As you are corking the needle, you puncture your fingertip. Why does the IV bag in an arterial line setup need to be presurized 6. You are attempting to obtain a sample from an arterial line and encounter the following difficulties. Identify the proba ble cause(s), if applicable, and describe all possible solutions to the problems. A You observe a blood backup halfway between the point of entrance of the catheter into the patient's arm and the sampling port. B. You drop the Luer-Lokcap on the floor. C. After removing the discard syringe from the Luer-Lok", blood continues to flow onto the bed sheets. D. As you are withdrawing the blood sample, the patient is moving her arm and blood is filling the springe intermittently. E. After removal of the sample, you are unable to flush the catheter.

Answer 1

E.The fear towards a needle prick is experienced by everyone who comes across it ,both a medical and a non medical professional or a lay man,the fear is about pain.The patient who is about to her arm can be

• Explain about the procedure ,so that it can win her confidence and cooperation
• Inform about the benefits of the results which can aid in diagnosis and treatment
• Provide psychological support to make her relaxed
• Show confidence and high professional skill in doing the procedure
• In case of help ,ask a person to hold her arm with patient permission

F.In ABG sample, collection is possible only when the prick is given at the right site in the first prick, reangling happens when this fails but a healthcare professional need not do it repeatedly to get a sample,a second attempt of pricking can be done at the right site,if again fails do not prick and call for an expert.

G.Apply pressure for about 10 minutes to reduce swelling.This can be followed by ice application at the site.

H.This is a needle stick injury, so following things has to be done immediately

• Wash the finger with soap and water tumning running water
• Do not squeeze the site because this can increase the capillary circulation and make them prone for infection
• Inform the supervisor or the incharge
• Get post exposure prophylaxis