21 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... Arthritis • Systemic ... Lupus Erythematosus ... • Psoriatic Arthritis ... Inflammatory #JointPain #MSK
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... vasculitis (rare) • Rheumatic ... (IgG4-RD), Rheumatoid ... Systemic lupus ... Differential #Diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
“Pseudogout” - Calcium ... secondary) • Rheumatoid ... Polyarthritis • Systemic Lupus ... with Systemic Lupus ... Joint #Disorders #msk
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Juvenile Idiopathic Arthritis ... • Rheumatic Diseases ... Arthritis, Sjögren ... ANA #patterns #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... in persons with rheumatoid ... dihydrate • Basic calcium ... #MSK #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... rheumaticum • Rheumatic ... lesions • Discoid lupus ... dermatology #joint #pain ... differential #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... Gonorrhea • Rheumatic ... streptococci (rheumatic ... #Diagnosis #MSK ... #rheumatology #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... Chikungunya - Herpes virus ... - Rheumatoid ... Syndrome - Acute rheumatic ... differential #diagnosis #msk
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... crystals (gout) or calcium ... joint • Systemic lupus ... , and low back pain ... #Disease #Rheumatoid
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
: Calcium oxalate ... Behçet syndrome,* rheumatoid ... , systemic lupus ... erythematosus,* Still disease ... immunodeficiency virus