In obstructive jaundice, which urinalysis finding would you expect?

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Multiple Choice

In obstructive jaundice, which urinalysis finding would you expect?

Blocked bile flow in obstructive jaundice lets the water-soluble conjugated bilirubin spill into the urine. This is why urine bilirubin is detectable on testing. Because bilirubin doesn’t reach the gut to be converted into urobilinogen, urine urobilinogen levels are typically reduced. The absence of bilirubin in urine would not fit this pattern, and bile acids in urine are not the defining finding for this condition.

Blocked bile flow in obstructive jaundice lets the water-soluble conjugated bilirubin spill into the urine. This is why urine bilirubin is detectable on testing. Because bilirubin doesn’t reach the gut to be converted into urobilinogen, urine urobilinogen levels are typically reduced. The absence of bilirubin in urine would not fit this pattern, and bile acids in urine are not the defining finding for this condition.

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