8 results
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
rigors, diarrhea, nausea ... Vibrio, aeromonas, Capnocytophaga ... in setting of asplenia ... Final dx: Septic ... BIDMC_IDFellows #Capnocytophaga
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Hepatic, Portal, ... Splenic) Infiltrative ... Diagnosis #Algorithm #Causes ... #Hematology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... gram-negative bacillus cause ... underlying r.f as asplenia ... patients who are asplenic ... #dermatology #clinical
Causes of Ascites - Differential Diagnosis Algorithm
Portal Hypertension - Prehepatic:
 • Portal vein thrombosis
 • Splenic
Causes of Ascites ... thrombosis • Splenic ... Hypertension - Hepatic ... Diagnosis #Algorithm #Hepatology ... #causes
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
hepatorenal syndrome Clues ... : • Cardiac causes ... thrombosis • Splenic ... Differential #Diagnosis #causes ... #hepatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic ... Common d/t impaired splenic ... differential #diagnosis #causes ... #hematology
Capnocytophaga
GNR with long fusiform shape.  Fastidious facultative anaerobe that grows slowly and needs enriched agar
C.
Capnocytophaga GNR ... = most common cause ... clinical scenario: septic ... shock with fever, rash ... immunocompromised host, asplenia
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Structural Defect - Asplenia ... • Bacteremia/Septic ... Diagnosis #Algorithm #Causes ... #Hematology