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Urethral bladder catheterization
This procedure is used for bladder decompression, e.g. potential obstruc-tion, accurate measurement of urine output, and collection of urine for bacteriological investigation in suspected urinary tract infection.
• 3–8Fr urinary catheter (depending on child’s size).
• Anaesthetic lubricating gel, e.g. 0.1% lidocaine gel.
• Water-based antiseptic solution, e.g. 0.5% chlorhexidine.
• Sterile urine sample container.
• Sterile gloves and adhesive tape.
• Lay child in supine position with hips abducted, with an assistant holding the child.
• Clean penile tip or vulval area with antiseptic solution.
• Apply anaesthetic lubricating gel to catheter tip and urethral opening.
• Partially withdraw foreskin in males. Part the labia in females.
• Insert and advance catheter into urethra in a posterior manner until urine is obtained, indicating that the bladder has been entered.
• Once in the bladder, inflate the catheter balloon with saline if the catheter is intended to be indwelling.
• Use adhesive tape to secure the catheter to the thigh.
• Connect catheter to the urine collection bag or aspirate urine for analysis.
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