Stones: Evaluation and Medical Management: Difference between revisions
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** '''<span style="color:#ff0000">pH < 5.5 suggests uric acid lithiasis secondary to gouty diathesis</span>''' | ** '''<span style="color:#ff0000">pH < 5.5 suggests uric acid lithiasis secondary to gouty diathesis</span>''' | ||
* '''Urine culture''' | * '''Urine culture''' | ||
** Should be obtained in patients with a urinalysis suggestive of UTI. | ** '''Should be obtained in patients with a urinalysis suggestive of UTI.''' | ||
**Presence of urea-splitting organisms, such as Proteus species, raises the possibility of struvite stones | **'''Presence of urea-splitting organisms, such as Proteus species, raises the possibility of struvite stones''' | ||
**Many infected calculi will | **Many infected calculi will harbor bacteria even after treatment with broad-spectrum antibiotics | ||
** Half of infected calculi grow bacterial cultures that are different from the preoperative urine specimen | ** Half of infected calculi grow bacterial cultures that are different from the preoperative urine specimen | ||
*'''Urine microscopy''' | *'''Urine microscopy''' | ||