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When would you repeat a kidney ultrasound with post void residual measurement for a patient with chronic kidney disease from bladder outlet obstruction who is started on tamsulosin?

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For a patient with chronic kidney disease due to bladder outlet obstruction who has been started on tamsulosin, when do you typically repeat a kidney ultrasound with post-void residual measurement?

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1 Answer
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Nephrology · University Of California San Francisco Medical Center At Parnassus
Answered on

This is more of a urology question but I would think you have to wait at least six months to see a difference. In either case, I am not sure if an ultrasound is necessary. I usually just go by symptoms.

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