Question

collection

1. locate and the artery
2. clean site with and
3. insert needle at angle
4. withdraw blood carefully
5. apply to puncture site

potential complications
1.
2.
3.

1. nerve damage

5.

1. infection

sample handling
critical errors to avoid

• delay in to laboratory
• improper
• bubbles in sample
• incorrect

final notes

• specimens must be analyzed within minutes
• keep sample on if delivery is delayed
• always follow precise protocols

Explanation:

This appears to be a guide for arterial blood collection. For the collection steps, common practices are used. For potential complications, typical issues in such procedures are listed. In sample - handling, errors and final notes are related to proper specimen management.

1. Locate and palpate the artery. Palpation helps in finding the artery before puncture.
2. Clean site with antiseptic and allow to dry. Antiseptics like alcohol are used to prevent infection.
3. Insert needle at 45 - 60 degree angle. This angle is standard for arterial puncture.
4. Withdraw blood carefully.
5. Apply pressure to puncture site. To stop bleeding.

Potential Complications:

1. Hematoma formation. Blood pooling under the skin.
2. Arterial spasm. Sudden constriction of the artery.
3. Thrombosis. Blood clot formation.
4. Nerve damage.
5. Puncture of adjacent structures.
6. Infection.

Critical Errors to Avoid:

• Delay in transportation to laboratory. Specimens need to be analyzed quickly.
• Improper labeling. To ensure correct identification.
• Introduction of bubbles in sample. Can affect test results.
• Incorrect anticoagulant use.

Final Notes:

• Specimens must be analyzed within 30 minutes. To maintain sample integrity.
• Keep sample on ice if delivery is delayed. To preserve the sample.
• Always follow precise laboratory protocols. For accurate results.

Answer:

1. palpate
2. antiseptic, allow to dry
3. 45 - 60 degree
4. pressure

Potential Complications:

1. Hematoma formation
2. Arterial spasm
3. Thrombosis
4. Puncture of adjacent structures

Critical Errors to Avoid:

• transportation
• labeling
• Introduction of
• anticoagulant use

Final Notes:

• 30
• ice
• laboratory