31 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning ... Travelers from ... Frequent Differential Diagnoses ... without genital lesions ... #diagnosis #tropical
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... Schistosomiasis • Skin ... #differential #Diagnosis
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Denies any travel ... Diagnosis? ... Indiana University Infectious ... Blastomycosis #SkinRash #dermatology ... #clinical #photo
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Babesiosis, Malaria, Leptospirosis ... ß-blockers, CNS lesions ... #differential #diagnosis ... infectiousdiseases #table
Nodular Skin Lesions in the Returning Traveler
Furuncular Myiasis:
 • Pathogens: Dermatobia hominis, Cordylobia spp, Cuterebra spp
Nodular Skin Lesions ... #Lesions #Returning ... #Traveler #dermatology ... #infections #differential ... #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Differential Diagnosis ... cell arteritis Infections ... diseases • Fungal infections ... #rash #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... lesions that result ... SLE) - Viral infections ... #hematology #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... lesions - Wheals ... #rheumatology # ... comparison #table
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... / Erythematous lesions ... borders of lips Infectious ... #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... classic targetoid lesions ... Erythemas #comparison #table ... #differential #diagnosis ... #dermatology #compared