15 results
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
species - Lyme disease ... Usually involves the knee ... involve the b/l wrists ... IBD, reactive arthritis ... , psoriatic arthritis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
functional deficit and arthritis ... ulna, pain with wrist ... fractures • ED Management ... Triquetrum #Fracture #Wrist ... #Orthopedics #Sports
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
joints (shoulders, wrists ... • Underlying disease ... forefoot, ankles, knees ... , fingers, wrist ... #CPPD #Gout #Comparison
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Diagnosis and Management ... Painless) Purulent Arthritis ... Distal joints, knees ... , wrists, ankles ... gonorrhea #Diagnosis #Management
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Degenerative joint disease ... in Rheumatoid arthritis ... commonly affects the knee ... > Stiffness is short-lived ... #Degenerative #Comparison
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... narrowing) • Ultrasound ... #Rheumatoid #Arthritis ... #diagnosis #management
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
MUSCULOSKELETAL ULTRASOUND ... Nerve: Ultrasound ... of hypoechoic spots ... infrapatellar bursa of the knee ... Clinical #Radiology #Comparison
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pyrophosphate Deposition Disease ... joints (shoulders, wrists ... often involves the wrists ... atypical locations: Wrist ... Rheumatology #diagnosis #management
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
CPPD) Deposition Disease ... (especially in knees ... polyarticular arthritis ... affected — e.g., wrist ... Pseudogout #CPPD #Disease
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... Usual therapeutic management ... Evolution: Chronic disease ... druginduced #lupus #sle #comparison ... rheumatology #diagnosis #management