17 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... T-cell mediated, delayed-type ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology ... #Rash #Skin
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... anyone - Allergic ... - Delayed onset ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
LDH, etc) - Delayed ... - Allergic ... maculopapular rash ... Causes purpura & ... diagnosis #management #hematology
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
Body System Dermatologic ... Skin: urticarial rash ... , morbilliform rash ... , diaphoresis, delayed ... play #Diagnosis #Allergy
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
released during an allergic ... Statistical error/delay ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
↑LDH, etc) • Delayed ... • Allergic reaction ... maculopapular rash ... Causes purpura & ... diagnosis #management #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
= Chronic & Rx-related ... : • Rx-related ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology ... #allergy
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to be a form of delayed-type ... potential inciting causes ... Haverhill fever caused ... Rash is usually ... differential #diagnosis #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Canimorsus Skin Rash ... considering infections related ... dogs & latter can cause ... gram-negative bacillus cause ... #dermatology #clinical
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