177 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
mycobacterial), RA, crystal ... Inflammatory - AM ... stiffness, warm ... culture, look for crystals ... psoriatic arthritis Crystals
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
4 tests for the ... AC joint: 1. ... Cross-arm shoulder ... extension after cross-arm ... test 4.
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
Drop Arm Test - ... Tear The drop arm ... test evaluates ... 30 degrees, and point ... PhysicalExam #clinical #video
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Differential Diagnosis Algorithm ... Gout - Uric Acid Crystals ... Pyrophosphate Dihydrate Crystals ... Differential #Diagnosis #Algorithm
These are oxalate crystals, which look like little envelopes (or tetrahedrons, depending upon your point of
These are oxalate ... crystals, which ... depending upon your point ... Oxalate crystals ... are common.
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... present both at rest ... improves quickly with rest ... inflammatory arthritides Crystal ... ochronosis and crystal
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
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Inflammatory Joint ... nociceptors -> Pain with rest ... and looks red -> Warm ... mechanical forces that are ... motion (relieved by rest
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
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
intracellular urate crystals ... pyrophosphate dihydrate crystals ... of the affected joint ... antibodies, which are ... • Sacroiliac joint