151 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... or pseudogout, OA ... • Non-bloody: OA ... gonorrhea, Lyme, OA ... #differential #diagnosis
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 ... after cross-arm test ... #Algorithm #MSK
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... features - Joint ... surrounding the joint ... Osteoarthritis #OA ... Xray #radiology #diagnosis
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Osteoarthritis (OA ... Stimulation of joint ... loading / use of joint ... Osteoarthritis #OA ... pathophysiology #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... Osteoarthritis (OA ... #Differential #Diagnosis ... #Algorithm #arthropathy
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Disease Process: OA ... Septic arthritis #Diagnosis ... Arthrocentesis #Joint
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
tissue swelling (best ... together) • Joint ... (Joint deformities ... Best visualized ... #RA #HandXray #Diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
High T4/T3) - Diagnostic ... Algorithm Radioactive ... Key teaching point ... Check pregnancy test ... #Algorithm #Workup
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
the DIP and PIP joints ... the PIP and MCP joints ... but not the DIP joints ... DIP + 1st CMC = OA ... patterns #hand #diagnosis
Joint Pain - Differential Diagnosis
Articular: Infectious, Degenerative, Inflammatory
Non-articular: Localized, General

#Joint #Pain #Differential #Diagnosis #MSK #algorithm
Joint Pain - Differential ... Diagnosis Articular ... Localized, General #Joint ... #Differential #Diagnosis ... #MSK #algorithm