35 results
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga Canimorsus ... Capnocytophaga canimorsus ... C. canimorsus fastidious ... rash → purpura fulminans ... diagnosis of C. canimorsus
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
9 species, C. canimorsus ... Hypotension, Purpura Fulminans ... Capnocytophaga #canimorsus
Capnocytophaga
GNR with long fusiform shape.  Fastidious facultative anaerobe that grows slowly and needs enriched agar
C.
enriched agar C. animorsus ... evolve to purpura fulminans ... #Microbiology #CAnimorsus
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... rash (purpura fulminans ... failure, purpura fulminans ... Capnocytophaga #Purpura #Fulminans
Key Pathogens to Consider in Asplenia
 - Encapsulated bacteria
    • S. pneumoniae
Capnocytophaga spp: C. animorsus
CGD and Mulch Pneumonitis
This acute fulminant invasive fungal pneumonia in absence of iatrogenic or exogenous immunosuppression
Pneumonitis This acute fulminant ... Can progress to fulminant
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Non-palpable - Purpura Fulminans
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Infection, Purpura Fulminans
Ascites - Differential Diagnosis
Chronic liver disease (cirrhosis or chronic hepatitis) - 80%
Underlying malignancy - 10%
Congestive heart
Renal Disease, Fulminant
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Coagulopathy: Purpura fulminans