19 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... Primary skin and ... Mycobacterium #diagnosis ... #differential # ... infectiousdiseases
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... heaped up borders); differential ... University Infectious Diseases ... Blastomycosis #SkinRash ... dermatology #clinical #photo
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Legg-Calve-Perthes disease ... #diagnosis #lower ... extremity #msk #physicalexam
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Diagnosis Framework ... Toxoplasmosis, Entamoeba Skin ... Autoimmune: Crohn's disease ... #Diagnosis #InfectiousDiseases
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
wax and wane; diagnosis ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential ... Infection #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... tract, and often causes ... Differential ... purpura: strong sign
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... resembling rashes caused ... Syphilis #Rash #Diagnosis ... #Clinical #Photo
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - Clues ... Diagnosis in a ... Schistosomiasis • Skin ... HPI #Interview #InfectiousDiseases ... #Infections #differential
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
intralobular bile ducts causes ... failure PBC Signs ... Examination: • Skin ... bile ducts Differential ... Diagnosis: •