53 results
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
GCA), Takayasu's arteritis ... Polyarteritis Nodosa (PAN ... ), ANCA associated ... (RA), Systemic lupus ... Differential #Diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... context of other symptoms ... Juvenile Idiopathic Arthritis ... Juvenile Idiopathic Arthritis ... #patterns #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
constitutional symptoms ... weeks) Can Be Caused ... - Autoimmune Rheumatologic ... Disease OLIGOARTHRITIS ... Diagnosis #MSK #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... , Arthritis, myalgia ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
basement membrane disease ... - Loin pain hematuria ... syndrome: • Flank pain ... of glomerular disease ... Hematuria: • Urethritis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... Auto-Antibodies: - ANA ... sclerosis, Still's disease ... autoantibodies #signs #symptoms ... #differential #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 ... involvement: Anti-GBM Disease ... diagnosis #algorithm #rheumatology
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
yrs - Cranial symptoms ... - Abdominal pain ... - Testicular pain ... : - Bone pain ... Diagnosis #Cardiology #Table
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... • Progressive symptoms ... often causes arthritis ... and GN Anti-GBM ... Differential #Diagnosis #Rheumatology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Glossopharyngeal neuromas Vagus ... symptoms: headache ... Cervical spine arthritis ... • Associated symptoms ... differentiate disease