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Questions and Answers
What is the angle at which a winged blood collection set, or butterfly, should be used for fragile veins?
Which factor could lead to the formation of hematomas during blood collection?
What can cause hemolysis during blood collection?
Why is it important to avoid needle bevel against the vein wall during blood collection?
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Which action is necessary when a blood sample is rejected due to inadequate volume?
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What can cause nerve damage during blood collection?
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Why is patient identification crucial during venipuncture procedures?
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Why should phlebotomists be mindful of collecting blood samples from patients in the Basal State?
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What factor should phlebotomists consider during blood collection that can influence lab results?
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How should phlebotomists handle patients who are excessively nervous or prone to fainting?
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Why is proper disposal of used syringes and needles essential in the healthcare setting?
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What is the final step in the procedure for blood collection?
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Study Notes
- Complications during venipuncture can arise from errors on requisition forms, lack of patient ID, difficult site access, and uncooperative patients in different healthcare settings.
- Patient identification is crucial for preventing transfusion reactions, wrong medication administration, or misdiagnosis during venipuncture procedures.
- Phlebotomists should be mindful of collecting blood samples from patients in the Basal State, especially in the morning before exercise or eating, to obtain accurate results for comparison.
- Various factors such as age, sex, altitude, diurnal rhythms, medication administration, and medical conditions can influence lab results and should be considered during blood collection.
- It is important to handle patients who are excessively nervous, prone to fainting, or experiencing symptoms like syncope or seizures during venipuncture with proper care and precautions.
- Special considerations should be taken when dealing with patients with allergies, sensitive skin, lymphedema, fistulas from renal dialysis, or specific requirements for blood culture samples.
- Proper disposal of used syringes, needles, and transfer devices in sharps containers is essential to maintain safety and prevent contamination in the healthcare setting.- Procedure for blood collection involves inserting the syringe, pulling back the plunger, activating safety devices, disposing of the needle, and bandaging the patient's arm.
- Winged blood collection set, known as a butterfly, is used at a 10-15 degree angle for fragile veins, and can be used with syringe or evacuated tube system.
- Reasons for difficulty in blood collection include needle position adjustment, vein collapse from pressure or improper depth, missing the vein, or faulty equipment.
- Correct blood collection involves proper insertion, avoiding needle bevel against vein wall, adjusting depth, and correcting deviations like rotated needle or hematoma formation.
- Nerve damage can occur from blind probing, excessive manipulation, or incorrect insertion, requiring immediate removal of the needle and first aid.
- Hemolysis can result from various factors like using incorrect needle/tube combinations, improper technique, or excessive force, necessitating a new blood sample.
- Hematomas can form due to prolonged tourniquet use, patient movement, incorrect needle size, or arterial puncture, requiring immediate action to stop bleeding.
- Proper patient identification, labeling, and sample handling are crucial to prevent errors like sample rejection, which can occur due to various factors like inadequate volume or contamination.
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Description
Test your knowledge on venipuncture complications, patient identification, blood collection procedures, and handling challenging situations during blood sample collection. Learn about factors influencing lab results, proper disposal practices, and how to prevent errors in sample handling.
