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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Interstitial lung ... • Shrinking lung ... System Tender points ... #pain #differential ... #diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... • Key point: If ... approach #workup ... #differential # ... diagnosis #arthritis
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Generally affects long ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #diagnosis #causes ... #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Malignancy (e.g. hematologic ... : • Joint pain ... Erythematosus #Diagnosis
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... Better call hematology ... #Diagnosis #Algorithm ... #workup #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... (RA, Temporal arteritis ... ovarian tumors, lung ... Gap #ProteinGap #differential ... #diagnosis #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Diagnosis Framework ... Syndrome: Fever, joint ... • Nonerosive arthritis ... #differential #