Bladder catheterization ranks as one of the most frequently performed manipulative procedures in the urinary tract. While it primarily remains a therapeutic technique for patients in urinary retention, a number of diagnostic applications exist as well:
• Measurement of residual urine volume
• Collection of reliable urine sample for analysis
• Estimation of urine output
• Radiographic procedures (e.g., cystography, MCUG)
• Urodynamic purposes (e.g., filling and pressure-measuring catheter)
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