57 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... or pseudogout, OA ... • Non-bloody: OA ... Inflammatory, crystalline disease ... gonorrhea, Lyme, OA
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Differential Diagnosis Algorithm ... Osteoarthritis (OA ... @AmyChung #Joint ... Differential #Diagnosis #Algorithm
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... , Bacteria) by Disease ... Process: OA, ... Arthrocentesis #Joint
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... 4 tests for the ... AC joint: 1. ... after cross-arm test ... Differential #Diagnosis #Algorithm
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
disease Inflammatory ... Joint Disease ... nociceptors -> Pain with rest ... Disease • Motion ... motion (relieved by rest
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
) - Diagnostic Algorithm ... Graves disease – ... Key teaching point ... Check pregnancy test ... Hyperthyroid #Diagnosis #Algorithm
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Differential Diagnosis Algorithm ... Oligoarticular (1-4 joints ... POLYARTICULAR (>4 joints ... Differential #Diagnosis #Algorithm
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... spondylitis - Sacroiliac joint ... of the affected joint ... • Sacroiliac joint ... #Rheumatic #Disease
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... present both at rest ... improves quickly with rest ... necrosis, and Paget disease
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
STAIN CULTURE PCR TEST ... crystalline disease ... noncrystalline disease ... Infectious: Lyme disease ... Arthrocentesis #Joint