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C. Difficile Infection in IBD - IBD Algorithm

Background
Complications
CDI Testing Algorithm
CDI Recurrence

Dr. Wade Billings @wabillin

#Clostridioides #difficile #CDiff
Complications CDI ... Testing Algorithm CDI ... Clostridioides #difficile #CDiff
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
C.diff - Clostridioides ... Difficile Infection (CDI ... x 10d • 1st CDI ... IDSA 2021 CDI ... #Cdiff #Clostridioides
Brugia malayi - Filariasis on Microscopy

What is Brugia malayi? It is a filarial parasitic worm that
is a filarial parasitic ... worm that can cause ... The adult worms cause ... microbiology #nematodes #parasite
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 ... found in 60% of cases ... , Syphilis Parasitic ... Nodosum #Mnemonic #Causes
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... disease Rare causes ... CD3-CD4+ T cells ... Differential #Diagnosis #Causes
ID Ddx: Diarrhea in a transplant recipient
- Bacterial: C.diff, Campy, Salmonella, Aeromonas, E.coli
- Viral: CMV, noro,
recipient - Bacterial: C.diff ... adeno, entero - Parasitic ... Transplant #TxID #SOT #Causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... endemic fungi - Parasitic ... Blastomycosis - Parasite ... coccidiomycosis - Parasitic
Guidelines on Management of Clostridioides difficile Infection (CDI) in Adults
 • Non-Severe CDI
 • Severe CDI
difficile Infection (CDI ... • Non-Severe CDI ... • Severe CDI ... • Fulminant CDI ... Clostridioides #difficile #CDiff
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Parainfluenza • CD4 ... ) Fungal: • CD4 ... Penicillium marneffei Parasitic ... : • CD4 < 200 ... chest scan), CBC/diff
NAACP mnemonic for the major causes of Eosinophilia 
N = Neoplasia (CML, Hodgkins lymphoma) 
A =
for the major causes ... disorders P = Parasite ... #Differential #Causes