Acute Pancreatitis: The Daily PANCE Blueprint

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Acute Pancreatitis: The Daily PANCE Blueprint

A 40-year-old patient with a history of alcohol use disorder presents with symptoms of acute pancreatitis. Which laboratory marker is considered a strong early predictor of mortality in this condition?

A. Initial serum calcium levels
B. Early changes in Blood Urea Nitrogen (BUN)
C. Serum ALT levels >300 U/L
D. The absolute peak level of serum amylase
E. Elevated lipase level

Answer and topic summary

The answer is Early changes in Blood Urea Nitrogen (BUN)

Early increase in blood urea nitrogen (BUN) is a strong predictor of mortality in acute pancreatitis because it reflects intravascular volume depletion and pancreatic necrosis progression. A rising BUN within the first 24–48 hours indicates inadequate resuscitation and worse prognosis. This is why aggressive early IV fluid resuscitation is critical—preventing hemoconcentration and organ hypoperfusion improves outcomes.

Clinical pearl: Trending BUN is more prognostic than a single value and is incorporated into severity assessment tools (e.g., BISAP score).

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Smarty PANCE Content Blueprint Review:

Covered under ⇒ PANCE Blueprint GI and Nutrition ⇒ Disorders of the Pancreas ⇒ Pancreatitis

Also covered as part of the Emergency Medicine EOR, Family Medicine EOR, Surgery EOR, and Internal Medicine EOR topic lists

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