10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Dermatomyositis Erythema chronicum ... IBD • RA • SLE ... lesions • Discoid lupus ... #skin #rashes #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... • Immunologic Workup ... • Immunologic Workup ... • Evolution: Chronic ... #table #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Diagnosis Algorithm ... • Systemic Lupus ... • Rheumatoid Arthritis ... Age > 50 • Chronic ... #Causes #Hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue - Differential ... Diagnosis Algorithm ... Neoplastic / Hematologic ... • Rheumatoid Arthritis ... • SLE • Polymyalgia
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... : • Chronic B-cell
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Diagnosis Algorithm ... Idiopathic - Chronic ... Destruction • Systemic Lupus ... • Rheumatoid Arthritis ... #Causes #Hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
rheumatic fever • Chronic ... spondyloarthropathies, lupus ... = RA, SLE, psoriatic ... #approach #workup ... #differential #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... Screening Tests for Chronic ... #laboratory #workup ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Eosinophilia, asthma, chronic ... inflammation Others: • Lupus ... such as systemic lupus ... vasculitis, and SLE
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... Better call hematology ... normal/high - Chronic ... #workup #hematology