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In acute pancreatitis, blood amylase activity will increase in 3-6 hours, peak after 24 hours and usually return to normal after 2-3 days. Serum amylase activity ≥ 3 times normal is considered diagnostic in acute pancreatitis.

Amylase is a group of enzymes produced mainly by the pancreas and salivary glands, along with some in the liver, small intestinal mucosa, ovaries and fallopian tubes. Amylase testing helps detect diseases of the pancreas, liver, salivary glands,...

Amylase enzyme is one of the important digestive enzymes, catalyzing the process of starch hydrolysis in the small intestine to take place more quickly and easily.