Etching. You can create a one-of-a-kind driveway with a technique known as etching. Patterns and designs are etched into your existing driveway with special tools to create a permanent design. The choice of designs includes stone patterns, special logos and graphics.
Depending on its size, you might not be able to obtain a blood sample from a peripherally inserted central catheter (PICC). For example, drawing blood from small-gauge PICC lines (2 or 3 French) can be difficult. Although sources vary, the Infusion Nurses Society recommends using the distal port of a multi-lumen catheter for blood sampling. The distal port is largest (16-gauge) and has a greater flow rate.
Apply the tourniquet below the IV site. Select a vein other than the one with the IV. Perform the venipuncture. Draw 5 ml of blood and discard before drawing the specimen tubes for testing. Lines-Drawing from an intravenous line may avoid a difficult venipuncture, but introduces problems. The line must be flushed first.