Final answer:
Upon inserting the percutaneous introducer and withdrawing the needle while leaving the T-handle peel-away sheath in place, blood return is normally observed. This confirms the position of the sheath in the jugular vein, providing a pathway for medical devices.
Step-by-step explanation:
When a percutaneous introducer is inserted into the jugular vein, and the needle is withdrawn leaving the T-handle peel-away sheath in the vessel, normal protocol dictates that blood return should be observed. This confirms venous placement of the introducer sheath.
After needle removal, the sheath now provides a stable pathway for the insertion of various devices such as central venous catheters, pacing wires, or other medical equipment required in patient care. It is important that the procedure be performed under sterile conditions to prevent infection, and the patient's vital signs and the insertion site should be carefully monitored for any signs of complication like bleeding or hematoma formation.