Wash your hands
Gather supplies: sterile normal saline, 10 mL syringe, alcohol swabs, clean gloves, and a clean container if needed
Check the catheter and drainage tubing for kinks, clots, or disconnections
Clamp the tubing if instructed by a clinician
Clean the catheter access port with an alcohol swab
Attach the syringe to the catheter port
Gently instill the prescribed amount of sterile normal saline
If resistance is met, stop and do not force the flush
Withdraw the syringe if instructed, or allow fluid to drain back if using an open system per protocol
Observe for return of urine or fluid and check that drainage resumes
Disconnect the syringe and replace any cap or cover
Unclamp the tubing if it was clamped
Dispose of used supplies properly
Wash your hands again
Contact a clinician if there is no drainage, pain, leakage, blood, swelling, or resistance during flushing