14 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Diagnosis Algorithm ... Dermatitis, Migratory Arthralgia ... & Symmetrical Rash ... (Measles- like rash ... Infectious #JointPain #MSK
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
of germinative skin ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... #Differential # ... Ddxof
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
triad: Fever, Arthralgia ... /arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... management #treatment #rheumatology
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... - Diagnostic Algorithm ... proteins in the skin ... #Differential # ... Ddxof
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... arthritis - with the skin ... like “butterfly rash ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... sulfa-drug - Skin ... #Diagnosis #Dermatology ... #Differential # ... Ddxof
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... includes Kawasaki disease ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Diagnosis Algorithm ... of hair, eyes, skin ... sclerosis (white "ash ... • Addison's disease ... #dermatology #Differential
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
• Arthritis, arthralgias ... Arthralgias or arthritis ... maculopapular skin ... Ferritin >3000 ng/mL ... AOSD #diagnosis #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... dorsal part of the MCP ... severity of the disease ... 20% of cases • Arthralgia