29 results
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
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... underlying lung disease ... Primary skin and ... Mycobacterium #diagnosis #differential ... #infectiousdiseases
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
of Skin + Eye infections ... tuberculosis, M. abscessus ... febrilepodcast] #skin ... #dermatology #InfectiousDiseases ... #Infections #Differential
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Onset Fever - Differential ... Meningitis • Skin ... Infection Abscess ... • Sickle Cell disease ... #Fever #Acute #Differential
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
kansasii PULMONARY DISEASE ... DISSEMINATED DISEASE ... scrofulaceum, malmoense SKIN ... & SOFT TISSUE INFECTION ... #Mycobacteria #differential
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 ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... trauma leads to skin ... biopsy preferred Differential ... Diseases Fellowship ... #clinical #photo
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Culture Negative Abscess ... - Differential ... Toxoplasmosis, Entamoeba Skin ... Autoimmune: Crohn's disease ... Diagnosis #InfectiousDiseases
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
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 #