18 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
disorders: • ... • SLE, Sjogren's ... disorders: • ... #Factor #RF #rheumatology ... #laboratory #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Disease (IgG4-RD), Rheumatoid ... erythematosus (SLE ... Cancer, Histiocytic disorders ... #Diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... secondary) • Rheumatoid ... Erythematosus (SLE ... should have other symptoms ... #msk #Differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... erythematosus (SLE ... Lymphoproliferative Disorders ... ANA #patterns #rheumatology ... #diagnosis #differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... organ-specific signs ... or symptoms (eg ... #Algorithm #Differential ... #diagnosis #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Mechanical/degenerative disorders ... noninflammatory Signs ... constitutional symptoms ... arthritis • SLE
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... #Differential # ... Causes #Workup #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Lupusreference #SLE ... autoantibodies #signs ... #symptoms #mimickers ... #differential # ... rheumatology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... blocking agent • Shock ... • Congenital disorders ... disease • Acute rheumatic ... Autoimmune: • SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... ANCA-associated vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... Induced Lupus: • Symptoms ... Erythematosus #Diagnosis #Rheumatology