Patency [PC]

refers to the state of being open, expanded, or unobstructed. In a medical context, it specifically describes the functional openness of a bodily passage (like an airway or blood vessel) or a medical device (like an IV catheter or stent).

: Ensure the catheter tip is in the ideal anatomical location (e.g., the lower third of the superior vena cava for central lines) to prevent clots. patency

Because patency is critical across various fields, follow the specific guide below relevant to your needs: 1. Vascular Access (IVs & Catheters) refers to the state of being open, expanded, or unobstructed

: Always use clean, closed systems to prevent blockages caused by pathogens or debris. 2. Gastroenterology (Patency Capsule Test) Patency capsule - patient instructions Because patency is critical across various fields, follow

: Confirm patency by checking for easy aspiration (brisk blood return) and easy injection (flushing without resistance). Maintenance :

Maintaining patency in intravenous lines ensures medications are delivered safely into the bloodstream without leaking into surrounding tissue (infiltration).

: Flush lines regularly with 0.9% sodium chloride using a "pulsatile" or "stop-start" technique.