7 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... allergy, drug reaction ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Criteria for Diagnosis ... • SJS/TEN • Acute ... DRESS #Syndrome #dermatology ... #diagnosis #management
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Types: • Leukocyte ... maculopapular rash ... proteins on plts, leukocytes ... #Transfusions #diagnosis ... #management #hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... proteins on plts, leukocytes ... Blood products contain ... #Transfusion #diagnosis ... #management #hematology
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Diagnosis? ... includes drug reaction ... with eosinophilia ... #dermatology #clinical
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... Fibrin degradation products ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
disease, drug reactions ... arthralgia, arm/leg ... , mucositis • Rash ... Polyangiitis): • Eosinophilia ... #Rheumatology