Double J nephrostomy tubes please help

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Ok I'm a new cardiac nurse, so not familiar with urology procedures at all. My patient came to me with a right double j stent. History of colon ca and ovarion ca. The nurse that gave me the report said that the tumor is probably obstructing the ureter. Now since I didn't know what a double J was, I had to look it up. Now my question is this. If a tube is inserted into the ureter to drain the urine into a foley bag, does the patient still have the ability to void. I thought no, but then the patient ask me to use the bedpan to pee? I guess it is possible to void because she has only one tube going into her right ureter. Her left ureter is probably functioning fine to allow the urine to flow to her bladder on the left side....I'm really not sure. I googled it and some sites said it all depends on what kind of tubes the patient has??.....What does a double J stand for. I thought it went to both ureters but it doesn't. Can somebody with some experience on these tubes help??

Also the doctor didn't re-order Iv fluids. When I looked up on-line it says to hydrate patient post 0-24h after the procedure. The patient came to me with a practically empty bag of NS via gravity. I put a new bag up of NS via the pump and ran it at KVO(30cc/h) This patient came to me at the end of my shift so I did as much as I could and informed the next nurse of the orders or there lack of and she would have to call the M.D for the remaining issues. Your responses are much appreciated, thanks in advance.

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Hi! A JJ stent goes from the kidney thru ureter down to bladder..so the urine can drain to bladder..a foley is in the urethra to drain bladder. Apparently this patient didn't have a foley since he/she could urinate on their own. I think it's called a double j b/c of the way it's shaped..it's one stent that curls at both ends..one curl in the kidney and one curl in the bladder. Maybe this patient had a PCN tube? That does have a bag but its a tube draining the kidney directly thru patient's skin to bag. Hope thus helped

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