appropriate needles

What Are Needle Gauges and Why Are They Important?

Needle gauge refers to the diameter of the needle. It is inversely related to the size; a higher gauge number means a smaller diameter. Common gauges in nursing range from 18 to 30. The gauge is crucial because:
- Smaller Gauges (18-21): Used for thicker medications and blood transfusions.
- Medium Gauges (22-25): Suitable for a wide range of intramuscular and subcutaneous injections.
- Higher Gauges (26-30): Ideal for insulin injections and pediatric patients.

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