22 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
B19 infection Malar ... rash • SLE ... IBD • RA • SLE ... erythematosus • SLE ... #skin #rashes #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... involvement 3% SLE-Related ... (aPL) 30-45% Differential ... Lupusreference #SLE ... symptoms #mimickers #differential
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases - Differential ... Inflammatory: MS ... Polyarteritis nodosa, SLE ... Demyelinating #Diseases #Differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Erythematosus (SLE ... Amy Chung, MD, MSc ... Joint #Disorders #msk ... #Differential #
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
pattern: - SLE ... pattern: - SjS, SLE ... anti-Su/Ago • Golgi/polar ... : - SLE, SjS ... Cytoplasmic #Patterns #differential
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Autoimmune - See ... pain Metabolic - See ... VitaminCD #Mnemonic #MSK ... #Orthopedics #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Splenomegaly - CTD (SLE ... Actinic damage - Solar ... Associated - SLE ... Vasculopathy #Purpura #Differential
Dysphagia - Differential Diagnosis Algorithm

Oropharyngeal Dysphagia 
Esophageal Dysphagia 
 • Upper 2/3 (striated muscle): stroke, NMJ
Dysphagia - Differential ... disorders, ALS, MS ... muscular atrophy, SLE ... #Dysphagia #Differential
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Tumours - See ... Fractures #Pathologic #MSK ... #Differential #
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Urinary Frequency - Differential ... Tract Infection (See ... • Diabetes • MS ... Urinary #Frequency #Differential