21 results
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... (GCA), Takayasu's ... Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... #differential #diagnosis ... #algorithm #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... lesions • Discoid lupus ... dermatology #joint #pain ... #differential #diagnosis ... #rheumatology
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
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential Diagnosis ... • Systemic Lupus ... polyangiitis (GPA ... #Orthopedics #Causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Diagnosis Framework ... weeks) Can Be Caused ... - Autoimmune Rheumatologic ... #Diagnosis #MSK ... #rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... claudication: pain ... chews, not just pain ... them, but urgent rheumatology ... #Management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... develop in pts with GCA ... tract: Abdominal pain ... tract, and often causes ... #Rheumatology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... /squamous cell CA ... Glossopharyngeal neuromas Vagus ... Cervical spine arthritis ... #differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... #rheumatology #