371 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
mycobacterial), RA, crystal ... culture, look for crystals ... that patient had ... psoriatic arthritis Crystals ... remember yellow and
Gout: Pathogenesis and Clinical Findings
 - Conditions of rapid cell turnover: hemolysis, psoriasis, lymphoproliferative disorders
 -
: Pathogenesis and ... easily leaks into joints ... in a peripheral joint ... phagocytose the crystal ... Needle-shaped uric acid crystals
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... Gout - Uric Acid Crystals ... Pyrophosphate Dihydrate Crystals ... of Lumbar Spine and ... Differential #Diagnosis #Algorithm
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
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... and with motion ... improves quickly with rest ... inflammatory arthritides Crystal ... crystal deposition
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
swelling in weird joints ... which then deposit and ... MCP, or shoulder joints ... deposition in joints ... attacks • Other joints
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 ... CRYSTALS) By ... Arthrocentesis #Joint
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
intracellular urate crystals ... pyrophosphate dihydrate crystals ... spondylitis - Sacroiliac joint ... of the affected joint ... • Sacroiliac joint
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
arthritis of the hand ... MCP and PIP joints ... Psoriatic arthritis, crystal-induced ... Entities Mimicking Hand ... Arthritis #patterns #hand
Thessaly Test for Knee Meniscal Tear

The test is positive if there is medial or lateral joint
Thessaly Test for ... Meniscal Tear The test ... medial or lateral joint ... #Thessaly #Test ... Tear #clinical #video