11 results
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
including infections, heat ... rapid and accurate diagnosis ... fever and systemic signs ... of illness should ... petechiae; #purpura; #rash
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... with edema • Erythematous ... rash on the face ... violaceous macules and erythematous ... #dermatology #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... #signs #symptoms ... #diagnosis #rheumatology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Illnesses and ... Diagnosis Framework ... Rash: • Small ... blisters on the skin ... → Syncope • Signs
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... . pruritic, erythematous ... skin of inflamed ... type #clinical #photo
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
processes occur in the skin ... -> Heliotrope Rash ... Polymyositis #PM #Diagnosis ... Pathophysiology #Signs ... #Symptoms #Vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... of shoulder and hip ... : Erythematous nodules ... , mucositis • Rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... influenza-like illness ... Leukocytoclastic vasculitis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
repeated exposure to heat ... of necrotizing vasculitis ... presenting with erythematous ... include: infections (HSV ... #differential #diagnosis
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
DM with generalized ... to have typical DM ... (blue-purple) rash ... rash on the face ... chest (in a V-sign