23 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
underlying lung disease ... Primary skin and ... as disseminated disease ... Mycobacterium #diagnosis #differential ... #infectiousdiseases
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... causes #radiology #neurology
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Disease Diagnosis ... rural → Geographic disease ... Schistosomiasis • Skin ... HPI #Interview #InfectiousDiseases ... #Infections #differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Arthralgia/arthritis, Skin ... fraction < 20% Differential ... Diaqnoses: • Infectious ... #diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Pulmonary • Skin ... • M genavense Skin ... , adenitis, skin ... • M fortuitum Skin ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess - Differential ... Toxoplasmosis, Entamoeba Skin ... Dracunculiasis - Non-Infectious ... Autoimmune: Crohn's disease ... #Diagnosis #InfectiousDiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential ... Inhalation • Skin ... papule on exposed skin ... primary pulmonary disease ... diagnosis #InfectiousDiseases