15 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... • Limited to Kidney ... differential #diagnosis #algorithm ... #rheumatology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic Algorithm ... Anemia of chronic kidney ... Underproduction #Algorithm ... #hematology #diagnosis ... #differential #workup
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Differential Diagnosis Algorithm ... • Systemic Lupus ... • Rheumatoid Arthritis ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... myalgia, serositis, Kidney ... • Immunologic Workup ... • Immunologic Workup ... comparison #table #rheumatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Differential Diagnosis Algorithm ... Destruction • Systemic Lupus ... • Rheumatoid Arthritis ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... • Inflammatory arthritis ... Noninflammatory arthritis ... Joint #Pain #MSK #rheumatology ... #approach #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... vein thrombosis Hematologic ... C4) • ds-DNA: Kidney ... induced SLE • Kidney ... Erythematosus #Diagnosis #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... Heart, lung, and kidney ... SJIA], systemic lupus ... Diagnosis #Management #Hematology ... #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
GCA (Giant Cell Arteritis ... musculoskeletal systems • Kidneys ... mucositis • Rash, arthritis ... and often causes arthritis ... Differential #Diagnosis #Rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus ... Lyme), reactive arthritis ... SLE, psoriatic arthritis ... Joint #Pain #MSK #rheumatology ... #approach #workup