Beautiful blue test

Methylene blue test is to use dilute methylene blue solution from the urinary catheter to fill the bladder, to observe the site of urine leakage. The purpose is to check the bladder vaginal fistulas, multiple small fistulas, or fistulas in scars, which are difficult to identify with the naked eye; or to distinguish the bladder vaginal fistula from the ureteral vaginal fistula.

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