14 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Neurologic system ... disease, Vasculitis (e.g ... Genitourinary system ... Cardiovascular system ... differential #diagnosis #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
underlying disease (eg ... idiopathic arthritis ... • Infection (eg ... with leukopenia, anemia ... Diagnosis #Management #Hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Disorders secondary to Systemic ... Iron deficiency anemia ... halt nail growth (e.g ... • Nephrotic syndrome ... #Secondary #dermatology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... • Rheumatoid Arthritis ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Cardiac injury (e.g ... Pericardial perforation (e.g ... pericarditis) Uremia ... nodosa Rheumatoid arthritis ... Systemic lupus
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Giant cell arteritis ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... complaints- anemia ... them, but urgent rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... • Malignancy (e.g ... . hematologic) ... Endocrine disorders (e.g ... lymphopenia, low PLT • Anemia
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... arthralgia, and arthritis ... tissue disorder (e.g ... . systemic lupus ... SLE), rheumatoid arthritis
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
- SLE (systemic ... infiltration (e.g ... Rare disorders, e.g ... - Vasculitis, e.g ... #Causes #peds #pediatrics
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... the presence of anemia ... inflammatory disease (e.g ... Chemistry profile (e.g