8 results
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Lower extremity ... of illness and pain ... Images #Clinical #Photo ... #Dermatology #Leg ... #SkinRash #Necrotizing
Arterial Insufficiency: Chronic arterial insufficiency has resulted in pale, hairless, and somewhat 
shiny appearing lower extremity.
appearing lower extremity ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Leg #Foot #Arterial
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Pain: • Infection ... Cellulitis, Abscess, Necrotizing ... ulcers, Edema Arterial ... abscess - Herpes zoster ... - HIV - Lyme
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
failure) with severe pain ... at the site of infection ... right demonstrates leg ... Images #Clinical #Photo ... #Dermatology #SkinRash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
MPO > PR3 - Necrotizing ... PR3-ANCA) - Necrotizing ... to exclude are infections ... Large Vessel: Blood ... extremities, upper extremity
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
: Fever, flank pain ... exposure can be faster ... anaphylactoid (not lgE ... Infection - Infection ... False negative: Extremely
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
: Fever, flank pain ... exposure can be faster ... anaphylactoid (not lgE ... • Infection - ... False negative: Extremely
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... arthralgia, arm/leg ... tract: Abdominal pain ... have PR3-ANCA) • Necrotizing ... purpura (lower legs