108 results
Colitis - Differential Diagnosis by Segment Location

Ascending Colon:
 - Shigella
 - Salmonella
 - Amebic colitis
Hepatic flexure:
Colitis - Differential ... Salmonella - Amebic colitis ... - CMV - C Diff ... Segment #Location #Differential ... Diagnosis #Map #Causes
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea Differential ... : Recurrent C. diff ... Non-infectious: IBD ... Diarrhea #Chronic #Differential ... #Diagnosis #causes
IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
IBD Mimics Infectious ... infection (CMV, C. diff ... SCAD ( segmental colitis ... , Drug induced colitis ... mimics #mimickers #differential
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Ulcerative Colitis ... Crohn's Disease - IBD ... Table Ulcerative Collitis ... ileum • Most cases ... Crohns #Disease #IBD
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... , Infectious colitis ... , UC/Chrons (IBD ... Lower #GIBleed #differential ... #diagnosis #Causes
Causes of Terminal Ileitis - Differential Diagnosis
 • Infectious: Yersinia spp., Salmonella spp., C.diff, Neutropenic colitis,
Causes of Terminal ... Ileitis - Differential ... Salmonella spp., C.diff ... , Neutropenic colitis ... #Diagnosis #Causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... syndrome Ulcerative Colitis ... Nodosum #Mnemonic #Causes ... #Differential #
IBD - Assessment of Lack of Response (sLOR) - Differential Diagnosis
Non-inflammatory mechanisms:
 • IBS
 • Fibrostenotic
IBD - Assessment ... Response (sLOR) - Differential ... mechanisms, Non-IBD ... LossOfResponse #Differential ... #Diagnosis #Causes
Lower GI Bleed - Differential Diagnosis Framework
Structural:
 - Diverticulosis
 - Post-Polypectomy Bleeding
 - Hemorrhoids
 - Polyps
Lower GI Bleed - Differential ... - IBD - Infectious ... Colitis - Radiation ... Colitis/Proctitis ... GIBleed #LGIB #Differential
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
C.diff - Clostridioides ... Pseudomembranous colitis ... → Fulminant Colitis ... immunocompromised, IBD ... ciab549 #CDI #Cdiff