6 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
a Positive (+) Rheumatoid ... not always = RA Rheumatic ... arthritis • SLE ... Inflammatory disorders of Liver ... #rheumatology #laboratory
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic ... more time for the laboratory ... profile, including liver ... function tests (LFTs ... #Arthritis #laboratory
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
with motion • Lots ... joint (i.e. in Rheumatoid ... arthritis, Lupus ... Stiffness is short-lived
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
RBCs, muscle, liver ... lung injuries Hepatic ... (myocarditis, rheumatic ... differential #diagnosis #Laboratory
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Juvenile idiopathic arthritis ... Still's disease • Rheumatoid ... arthritis • Crohn's ... Endocarditis • Hepatic ... Brucellosis • Liver
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid ... arthritis, Ankylosing ... Hepatosplenomegaly & hepatic ... Diagnostic imaging of liver