9 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... ) • Primary HIV ... Cellulitis • Necrotizing ... Fasciitis • Septic ... #JointPain #MSK
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... occurs deep to the skin ... Images #Clinical #Photo ... Dermatology #Leg #SkinRash ... #Necrotizing #Fasciitis
Necrotizing Fasciitis: Severe infection which travels in the suprafacial plane. In this instance, the infection
started in
Necrotizing Fasciitis ... several fistulae are ... apparent in the skin ... Images #Clinical #Photo ... #Necrotizing #Fasciitis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Leg Pain: • Infection ... Cellulitis, Abscess, Necrotizing ... fasciitis • Inflammation ... lower #extremity #msk
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... A rare form of necrotizing ... • Causes are multiple ... (HSV + Mycoplasma ... #differential #diagnosis
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
. diagnosis? ... self-limited Diagnosis ... Indiana University Infectious ... larva #migrans #skinRash ... dermatology #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... MPO > PR3 - Necrotizing ... PR3-ANCA) - Necrotizing ... mucositis - Rash ... infections and
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
loss, arthralgia, arm ... bruits, asymmetric arm ... HTN • Check: HBV ... , mucositis • Rash ... have PR3-ANCA) • Necrotizing
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... tender lymph nodes are ... Indiana University Infectious ... rakari #clinical #photo ... #skinrash #dermatology