14 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... T-cell mediated, delayed-type ... exogenous agents #Contact ... #Dermatitis #Allergic ... #Allergy #Dermatology
Top Ten Contact Allergens (North American Contact Dermatitis Group) and Other Common Contact Allergens

#Contact #Allergens #Top
Top Ten Contact ... North American Contact ... #Differential #Causes ... #Diagnosis #Allergy ... #Dermatitis #Dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Contact Dermatitis ... anyone - Allergic ... - Delayed onset ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
to mast cells- contain ... released during an allergic ... Statistical error/delay ... Chickenpox Other Causes ... #hematology #basophils
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
: • Rx-related ... NSAIDs/Aspirin, IV contrast ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology ... #allergy
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
LDH, etc) - Delayed ... - Allergic ... Causes purpura & ... Blood products contain ... diagnosis #management #hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
↑LDH, etc) • Delayed ... • Allergic reaction ... Causes purpura & ... Blood products contain ... diagnosis #management #hematology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... antibiotics and avoid allergic ... Inflammatory Causes ... Drug reaction • Contact ... #dermatology #skin
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Lithium - Stress Related ... - Hair Shafts Intact ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
of fibrin split products ... • Fibrin split products ... clinicopathologically, - Related ... cryoglobulins • Negative causes ... #hematology