972 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... 3) Number of Joints ... Number of Joints ... ): • Septic joint ... Inflammatory, crystalline
Gout: Pathogenesis and Clinical Findings
 - Conditions of rapid cell turnover: hemolysis, psoriasis, lymphoproliferative disorders
 -
Pathogenesis and Clinical ... easily leaks into joints ... -> Uric acid crystallizes ... in a peripheral joint ... Neutrophils enter joint
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... • Septic • Crystalline ... Lumbar Spine and SI Joints ... @AmyChung #Joint
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:
Inflammatory: crystalline ... Arthrocentesis #Joint
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
together) • Joint ... closer to the joints ... ) • Joint Subluxations ... (Joint deformities ... Diagnosis #Radiology #Clinical
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
together) • Joint ... closer to the joints ... ) • Joint Subluxations ... (Joint deformities ... ShoulderXRay #Radiology #Clinical
The arrows point to blister cells. These cells are thought to be precursors of helmet cells.
The arrows point ... The photo on the ... #Clinical #Path
Rachitic Rosary of Rickets on Physical Exam

Bead-like prominences of bone are seen at the costochondral joints.
costochondral joints ... costochondral joint ... #PhysicalExam #clinical
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
involving small joints ... inflammatory) • joint ... • synovitis; joint ... tenderness • joint ... Ultrasound Diagnosis: CLINICAL
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Osteoarthritis (OA): Clinical ... Stimulation of joint ... loading / use of joint ... Disruption of normal joint ... movement of the joint