992 results
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Osteoarthritis (OA ... nociceptors in subchondral ... Osteoarthritis #OA ... diagnosis #signs #symptoms
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... specific) - Subchondral ... joint space) - Subchondral ... Osteoarthritis #OA
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
nerve endings in subchondral ... cartilage and subcondral ... pathophysiology #signs #symptoms
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Disease Process: OA
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus, OA ... or pseudogout, OA ... • Non-bloody: OA ... gonorrhea, Lyme, OA
Eosinophilic Esophagitis (EoE) - Spectrum of Response
Non-response:
 • Histology: Persistent eosinophilia, ≥ 15 eos/hpf
 • Symptoms:
15 eos/hpf • Symptoms ... : Persistent symptoms ... decrease in a symptom ... : Decreased symptoms ... : Symptom resolution
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Osteoarthritis (OA ... should have other symptoms
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
joint-space narrowing, subchondral ... DIP + 1st CMC = OA
Chest Pain Differential By Symptom Characteristics
- Dr. Andrew Perry https://twitter.com/Perrycardium

#ChestPain #Differential #Symptoms #Characteristics #Diagnosis
Differential By Symptom ... #Differential #Symptoms
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
• Hyperintense subchondral ... • Controversy: Subchondral ... plantar plate, subchondral