16 results
Infectious Diseases Presenting with Rash

#InfectiousDisease #Infections #Rashes #Comparison #Table #Differential #Diagnosis
Infectious Diseases ... Presenting with Rash ... InfectiousDisease #Infections ... #Rashes #Comparison ... #Table #Differential
Congenital Infections - Comparison Table:
Infections: Toxoplasma, Rubella, CMV, Treponema, Parvovirus B19, VZV, Herpes, Enterovirus
Manifestations: Anemia, Bony
Congenital Infections ... - Comparison Table ... Microcephaly, Rash ... #Comparison #Table ... pediatrics #diagnosis #symptoms
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Malar rash ... Discoid skin lesions ... • Discoid lupus ... #differential #
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... The signs and symptoms ... treatment, the infection ... heaped, wart-like lesions—Condyloma ... Diagnosis #Clinical #Photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... • Non-Palpable Rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... painless nodular rash ... biopsy preferred Differential ... papulonodular lesions ... #clinical #photo
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... NPSLE rare, Malar rash ... Manifestations: Malar rash ... #sle #comparison ... #table #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... (aPL) 30-45% Differential ... Other auto-immune, Infectious ... autoantibodies #signs #symptoms ... #mimickers #differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... within 1 month of infection ... with Systemic Lupus ... should have other symptoms ... like “butterfly rash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... Fever + facial rash ... • Evanescent rash ... Acute systemic rash ... #table #differential