Successful cannulation is indicated by the absence of bruising, the ability to flush the catheter, and the absence of swelling at the site. Indicators of an unsuccessful attempt include immediate bruising, failure to flush the insertion site, and swelling when fluids are introduced. Proper assessment is crucial for ensuring effective venous access. ;
Indications of an unsuccessful cannulation attempt include immediate bruising, inability to flush the insertion site, and swelling when fluids are flushed through. These signs suggest possible damage to the vein or misplacement of the catheter. Proper assessment of the insertion site is crucial for successful venous access.
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