38 results
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
(GCA), Takayasu's ... arteritis, Cogan's ... (RA), Systemic lupus ... (SPA) • Other Causes ... Differential #Diagnosis #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 ... ANCA (C-ANCA): GPA ... diagnosis #algorithm #rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
of giant cell arteritis ... visual loss caused ... the optic nerve caused ... Doppler US : halo sign ... #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
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... - Arthralgia, Arthritis ... Myopathy (Also caused ... #Systemic #Lupus ... pathophysiology #signs
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Mesangioproliferative GN ... Post-infectious GN ... hematuria • Signs ... Diagnostic of GN ... Hematuria: • Urethritis
Treatment of giant cell arteritis (GCA)

1st Line Strategy - GC 0.7 mg/kg/day, except for:
 • Aortitis
of giant cell arteritis ... (GCA) 1st Line ... MTX or TCZ in case ... #GCA #Treatment ... #Indications #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Gonococcal arthritis ... Sarcoidosis • GPA ... • Psoriatic arthritis ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... systemic sx + signs ... identifies 85 to 95% of cases ... them, but urgent rheumatology ... #Signs #Symptoms
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Manifestations: - Arthritis ... Diagnosis and Lupus ... autoantibodies #signs ... #differential #rheumatology