Before drawing from an IV line in the same limb as an infusion, what is the recommended practice?

Before drawing from an IV line in the same limb as an infusion, what is the recommended practice?

• A. Do not draw directly from a line in use; if necessary, pause the infusion, flush per policy, and collect from a different site or use a discard tube to clear the line
• B. Draw directly from the line while infusion continues
• C. Stop the infusion and draw from the line without flushing
• D. Use a syringe to draw from the line while infusion remains active

Answer: (A)

The main idea is to maintain the integrity of the blood sample by avoiding contamination from IV fluids or medications. If you draw from a line that’s actively infusing, the sample can be diluted or altered by what’s in the line, leading to inaccurate test results. The best practice is to pause the infusion and flush the line according to policy to clear any residual IV contents. Then either draw from a different venous site, or, if that isn’t possible, use a discard (waste) tube to clear the line before collecting the actual specimen. This approach prevents IV fluids or meds from skewing the test results and helps keep patient care safe.

The main idea is to maintain the integrity of the blood sample by avoiding contamination from IV fluids or medications. If you draw from a line that’s actively infusing, the sample can be diluted or altered by what’s in the line, leading to inaccurate test results. The best practice is to pause the infusion and flush the line according to policy to clear any residual IV contents. Then either draw from a different venous site, or, if that isn’t possible, use a discard (waste) tube to clear the line before collecting the actual specimen. This approach prevents IV fluids or meds from skewing the test results and helps keep patient care safe.