9 results
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... erythematous, maculopapular ... fever and systemic signs ... petechiae; #purpura; #rash
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Dermatology #Rash ... #Maculopapular
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... Inverse Gottron’s sign ... ulcerations • Skin
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Dermatomyositis ... processes occur in the skin ... -> Heliotrope Rash ... flexors affected #Dermatomyositis ... Pathophysiology #Signs
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Syndrome) is a skin ... sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... multiforme - Dermatomyositis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... on sun-damaged skin ... macerated areas with satellite ... Acrochordons (skin ... #dermatology #rash
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
have typical DM skin ... (blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... shoulders (in a shawl sign
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... purpura: Strong sign ... , mucositis • Rash ... cmpkx deposits skin ... vesicles, pustules, maculopapular
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
levels • EMG DERMATOMYOSITIS ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... papules and Gottron sign ... ) • Shawl sign