16 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... Erythematosus (SLE ... like “butterfly rash ... #msk #Differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
vasculitis) or disorders ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential # ... Ddxof
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential ... Diagnosis Algorithm ... Tumours - See ... • Bone Marrow Disorder ... #Pathologic #MSK
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... High-risk Features ... #Diagnosis #Dermatology ... #Differential # ... Ddxof
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... ) • Endocrine disorders ... lymphoproliferative syndrome Clinical ... Features: Lungs
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... Neoplastic / Hematologic ... • Rheumatoid Arthritis ... • SLE • Polymyalgia ... • Somatization Disorder
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Systemic Lupus (SLE ... Photosensitivity, Butterfly rash ... of hip (rare), Arthritis ... Thrombocytopenia #Lupus #SLE
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... - SLE - Behcet ... Intra-articulation fracture ... Effusions: - Hematologic ... #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Mechanical/degenerative disorders ... • SLE • Psoriatic ... #Diagnosis #MSK ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... Juvenile Idiopathic Arthritis ... Lymphoproliferative Disorders ... ANA #patterns #rheumatology ... #diagnosis #differential