19 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... Erythema annulare ... #comparison #table ... #differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema ... Lyme disease Erythema ... Eosinophilic fasciitis Erythema ... #skin #rashes #differential ... #diagnosis #rheumatology
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
manifestations of anaphylaxis ... Urticaria, flushing erythema ... incontinence #anaphylaxis ... #signs #symptoms
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

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

 - Oral mucosa:
Manifestations of Anaphylaxis ... periorbital swelling/erythema ... Allergy #Signs #Symptoms ... #Anaphylaxis #OrganSystems
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... vasculitis • Erythema ... #dermatology #rheumatology ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... warmth, effusion, erythema ... : • Pain • Erythema ... constitutional symptoms ... #Joint #pain #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
acneiform lesions, erythema ... like lesions, erythema ... meningitis), MCC CNS symptoms ... Behcet disease) Differential ... #rheumatology #
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
and duration of symptoms ... Female predominance Anaphylaxis ... angioedema Other symptoms ... Urticaria #diagnosis #rheumatology ... #comparison #table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... reactions • Erythema ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #rheumatology #
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Eosinophilia and Systemic Symptoms ... Symptoms: • The ... to a coalescing erythema ... Resolution > 15 days Differentials