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
Cholangitis Ascending bacterial infection of the biliary ductal system with obstruction MC cause of acute cholangitis is choledocholithiasis MC organisms present in the bile in patients with cholangitis : E.coli, Klebsiella pneumoniae, streptococcus faecalis & Bacteroides fragilis Ref:Sabiston 20th edition Pgno :1507
Escherichia coli
Bacillus fragilis
Streptococcus viridans
Pseudomonas aeruginosa
G.I.T