18 results
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Differential Diagnosis Algorithm ... • Epstein-Barr Virus ... Destruction • Systemic Lupus ... • Rheumatoid Arthritis ... #Causes #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Glomerulonephritis (RPGN) RPGN has ... Complement: Post-strep GN ... , Lupus Nephritis ... differential #diagnosis #algorithm ... #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... with temporal arteritis ... Diffuse muscle pain ... differential #diagnosis #comparison ... #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... • Fever is the main ... SJIA], systemic lupus ... Diagnosis #Management #Hematology ... #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
non-activity, may ... - Autoimmune Rheumatologic ... conditions such as ... #Diagnosis #MSK ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... Non-autoimmune rheumatologic ... : • Joint pain ... vein thrombosis Hematologic ... Erythematosus #Diagnosis #Rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
myopathy • Anti MAG ... • Amyloidosis and ... histiocytosis, and ... to cold IgG • Lupus ... Paraproteinemias #Hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... spondyloarthropathies, lupus ... Lyme), reactive arthritis ... #Joint #Pain #MSK ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
GCA (Giant Cell Arteritis ... tract: Abdominal pain ... involvement, abdominal pain ... and GN Anti-GBM ... Differential #Diagnosis #Rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
can appear as an ... burning sensation or pain ... • Giant cell arteritis ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology