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Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
pustules, necrosis: involvement ... livedo, necrosis : involvement ... dermatology #semiology #signs ... pathology #lesions #differential
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
febrile have a wide differential ... rashes but without signs ... have a broader differential ... assessment for flexor involvement ... ) or extensor involvement
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Myositis 4% - Lung involvement ... (aPL) 30-45% Differential ... autoantibodies #signs ... symptoms #mimickers #differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... with pure UMN involvement ... with pure LMN involvement ... EMG: LMN Signs in ... conditions listed in differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... manifestations • Organ involvement ... → Syncope • Signs ... heat #illness #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... nervous system involvement ... ear disease Differential ... purpura: strong sign ... Urinalysis (Renal involvement
Abdominal Pain - Physical Examination Signs and Maneuvers
 - Murphy's sign
 - Kehr's sign
 - McBurney's
- Kehr's sign ... - McBurney's sign ... - Psoas sign ... - Cough sign ... #Diagnosis #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulcers • Eye involvement ... Behcet disease) Differential ... diagnosis #management #signs
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... - Air Crescent sign ... - Monod sign ... sign - Corona ... Diseases #diagnosis #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... purpura: Strong sign ... purpura, joint & gut involvement ... nervous system involvement