30 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 ... Syndrome, Relapsing ... (RA), Systemic lupus ... 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
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... Immunological Syndromes ... Churg-Strauss syndrome ... Sarcoidosis, Systemic lupus ... erythematosus, Takayasu arteritis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Gonococcal arthritis ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... 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
Treatment of giant cell arteritis (GCA)

1st Line Strategy - GC 0.7 mg/kg/day, except for:
 • Aortitis
of giant cell arteritis ... MTX or TCZ in case ... #GCA #Treatment ... #Management #Relapses ... #Indications #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Rheumatoid Arthritis ... • Systemic Lupus ... Sicca) Syndrome ... polyangiitis (GPA ... #Orthopedics #Causes
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Causes of Pericarditis ... • Epstein-Barr virus ... • Rheumatoid arthritis ... • Systemic lupus ... Post-cardiac injury syndrome
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Causes of Acute ... Postpericardiotomy syndrorne ... nodosa Rheumatoid arthritis ... Systemic lupus ... Rheumatic fever #Causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Elevated ESR and CRP GCA ... develop in pts with GCA ... tract, and often causes ... vasculitis • Cogan syndrome ... Differential #Diagnosis #Rheumatology