Which observation about a peripherally inserted central catheter (PICC) indicates a potential issue?

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An increase in external catheter length is a significant observation indicating a potential issue with a peripherally inserted central catheter (PICC). This change can suggest that the catheter has migrated or is not secured properly, which can lead to complications such as thrombosis, infiltration, or even improper medication delivery. It is crucial for the external length of the PICC to remain stable, as any variations may compromise the catheter's function and patient safety.

In contrast, a recent hematoma near the site, discomfort at the insertion site, and clamping during medication administration do signal possible concerns, but they might not consistently indicate immediate or severe risks as the change in external catheter length does. A hematoma could be a benign reaction, discomfort may vary per individual’s sensitivity, and clamping can sometimes be a normal practice in certain circumstances, particularly if it's a temporary measure to manage medication delivery. Therefore, noticing an increase in external catheter length should prompt immediate assessment and intervention to ensure the integrity and proper function of the PICC line.

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