9 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Anaphylaxis, Hay fever ... types #allergy #table ... #classification ... #comparison
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... during hemolytic disease ... Complement activation ... Hypersensitivity #Types #Classification ... Diagnosis #Reactions #Table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , fatigue, Nausea ... #rheumatology #comparison ... #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement ... #rheumatology #classification
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
90% - Low complement ... Discontinuation of causal ... Evolution: Chronic disease ... druginduced #lupus #sle #comparison ... #table #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... called "Bazin's disease ... so-called fifth disease ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Clinical features: Fever ... in up to 30% of cases ... - Infectious Diseases ... #Endocarditis #comparison ... Marantic #diagnosis #table
Unicentric Castleman Disease (UCD) vs Multicentric Castleman Disease (MCD) - Comparison Table

Unicentric Castleman Disease (UCD):
 •
(MCD) - Comparison ... Table Unicentric ... Systemic symptoms: fever ... Variable; depends on cause ... #Comparison #Table
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... should use this algorithm ... smallpox-diagnostic-algorithm-poster ... depending upon disease ... See table below