Surgery – MCQ 70 – Acute cholangitis following ERCP

A patient of post cholecystectomy biliary stricture has undergone an ERCP three days ago. Following this she has developed acute cholangitis. The most likely organism is:
A. Escherichia coli
B. Bacillus fragilis
C. Streptococcus viridans
D. Pseudomonas aeruginosa

Correct answer : A. Escherichia coli

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