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Escherichia coli Adherence and Pathogenic Patterns
EIEC - EPEC - ETEC - EHEC (STEC) - EAEC -
Escherichia coli ... #Escherichia #Ecoli
Routes of human infection with E. coli 0157

#EColi #0157 #Routes #Infection #Pathophysiology #Diagnosis #Microbiology
infection with E. coli ... 0157 #EColi
Enteric E.coli
EnteroPathogenic E. coli (EPEC) - Diarrhoea in children
EnteroHaemorrhagic E. coli (EHEC) - Haemorrhagic colitis HUS
EnteroToxigenic
Enteric E.coli ... EnteroPathogenic E. coli ... Meningitis E. coli ... Pathogenic E. coli ... #Escherichia #Ecoli
Entamoeba coli trophozoite on Microscopy
 - large, eccentric karyosome, coarse chromatin
 - messy cytoplasm
 - 15-25um
Entamoeba coli trophozoite ... richdavisphd #Entamoeba #coli
Melanosis coli on Colonoscopy
 - Benign finding on colonoscopy
 - Ask about senna (anthranoid) use
Melanosis coli on ... adenomas #Melanosis #coli
Cephalosporin Coverage
First-generation cephalosporins: 
 - Gram (+) cocci: Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pneumoniae, Streptococcus pyogenes,
rods: Escherichia coli ... aerogenes, Escherichia coli ... aerogenes, Escherichia coli
Acute Diarrhea - Differential Diagnostic Algorithm
Watery/Large Volume (Small Bowel)
 • Viral
 • Bacterial (e.g. C peffrjngens,
. cholerae, E. coli ... E. coli, C difficile
Causes of Acute Infectious Diarrhea
Noninflammatory Diarrhea
Viral - Noroviruses, astrovirus, adenovirus, Rotavirus, sapovirus
Protozoal - Giardia lamblia, Cryptosporidium,
Enterotoxigenic E coli ... Enterohemorrhagic E coli ... Enteroinvasive E coli
Pathogens Causing Bloody Diarrhea = SEECSY Mnemonic

SEECSY= Bloody diarrhea doesn’t sounds SEXY 
S = Salmonella
E =
Salmonella E = E Coli
Infectious Diarrhea - Laboratory Testing

Clostridium difficile
Salmonella enterica, Shigella spp, Campylobacter spp 
Salmonella enterica serovars Typhi and
toxin–producing Escherichia coli ... Staphylococcus aureus, E. coli ... fragilish; Balantidium coli