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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Obstructive jaundice is best detected by:
assistant
The correct answer is  Alkaline phosphatase is a marker of cholestasis i.e. elevation of ALP occurs in >90% of patients with cholestasis and suggests a reduction in bile flow. Because isozymes are found in the liver, bone, placenta, leukocytes, and small intestine, an elevated ALP is not specific for the biliary tract. ALP levels of greater than four times the normal are taken significant.