11 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Lower Legs / Feet ... Vascular: • Arterial ... ulcerative #skinrash ... #Algorithm #causes
Arterial Insufficiency: Chronic arterial insufficiency has resulted in pale, hairless, and somewhat 
shiny appearing lower extremity.
Arterial Insufficiency ... Superficial ulcers ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Leg #Foot #Arterial
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
vessicles in this case ... superimposed bacterial ... skin infection, ... Images #Clinical #Photo ... #Dermatology #SkinRash
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Causes of Leg Pain ... , Edema Arterial ... Causes of Leg Pain ... abscess - Herpes zoster
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential Diagnosis ... Insufficiency ... #ulcerative #skinrash ... #Algorithm #causes
Venous Ulcer and DVT: Chronic venous insufficiency with additional swelling caused by acute DVT.
There is also
Venous Ulcer and ... additional swelling caused ... There is also skin ... Images #Clinical #Photo ... #Leg #Chronic #
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Secondary to venous insufficiency ... veins, venous ulcers ... #Eczematous #SkinRash ... #Algorithm #causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... gulf of Mexico Oyster ... bullae to necrotic ulcers ... #dermatology #legs ... #clinical #photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... HTN • Check: HBV ... tract, and often causes ... purpura (lower legs ... Thrombosis and arterial
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
exposure can be faster ... anaphylactoid (not lgE ... Causes purpura & ... infections with skin ... #Transfusion #diagnosis