9 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... • Rheumatoid arthritis ... : • Chronic infections ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
- Evaluation and ... the chronicity (acute ... , chronic, or acute ... on chronic) of ... #Evaluation #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Mechanical/degenerative disorders ... - Autoimmune Rheumatologic ... Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... : • Acute or chronic ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... calcium-b) • Laboratory ... • Immunologic Workup ... : Chronic disease ... comparison #table #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
rheumatic fever • Chronic ... hepatitis, herpes • Chronic ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Screening Tests for Acute ... Screening Tests for Chronic ... metabolic or endocrine disorders ... #laboratory #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... Classification: • Acute ... permanent alopecia Differential ... Pleural effusions • Acute ... with Lupus: • Chronic
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... first step in evaluation ... Connective tissue disorders ... (RA, Temporal arteritis ... Gap #ProteinGap #differential