19 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation ... extremity #msk #physicalexam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... and gangrene Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... : • Complete blood ... cryoglobulins • Skin ... #dermatology #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... OF NON-PALPABLE ... Vasculopathy #Purpura #Differential ... #rheumatology #
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
Palpable Skin Crepitus ... bubbles under the skin ... and spaces can cause ... air under the skin ... #skin #Palpable
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
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Peripheral blood ... for secondary causes ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
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
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
discrete areas of skin ... vasculitis is usually palpable ... ecchymosis) is caused ... The skin is flat ... VWF:RCo/VWF:Ag (differentiate
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
multiforme-like lesions, palpable ... response to local skin ... retinal damage) • Skin ... test (this is a skin ... Behcet disease) Differential