11 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Systemic Lupus ... Rheumatica • Granulomatosis ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
lesions • Discoid lupus ... Sarcoidosis #dermatology ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... weeks) Can Be Caused ... Joint #pain #Differential ... #Diagnosis #MSK
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... burning sensation or pain ... reticularis Differential ... • Giant cell arteritis
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... • Epstein-Barr Virus ... Destruction • Systemic Lupus ... • Rheumatoid Arthritis ... #Hematology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #diagnosis #causes ... #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
vesicular eruption • Joints ... tract: Abdominal pain ... tract, and often causes ... Palpable purpura, joint ... #Diagnosis #Rheumatology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... Primary Otalgia: • Granulomatosis ... Temporomandibular joint ... Glossopharyngeal neuromas Vagus ... Cervical spine arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Fever/Chills/Joint ... pain/Night sweats ... diagnosis #msk #