Question

In adult patient veni puncture should be initiated how many inches above the crease of the wrist

Answer 1

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Answer 2

In adult patient veni puncture should be initiated how many inches above the crease of the wrist

• When a vein is punctured with a needle, it may be done for intravenous injection or blood withdrawal. Because of their thinner walls and ease of piercing, veins are preferred over arteries. In veins, blood pressure is also lower than in the arterial system, making it simpler and quicker to halt bleeding than with an arterial puncture. The antecubital fossa, which is positioned in the fold of the anterior elbow, is the most common location for venipuncture.
• The median cubital vein is recommended for venipuncture because it is bigger and less likely to shift or roll when the needle is inserted. Additionally, this vein is surrounded by fewer nerve endings, which makes venipuncture less painful at this location.
• The cephalic and/or basilic veins may be easier to detect and more suitable for blood sampling in some individuals than the median cubital vein. To prevent rolling, the phlebotomist must be careful to attach those veins firmly.

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