111 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Disease Process: OA ... #Differential #Arthrocentesis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... bone deposits/spurs ... Osteoarthritis #OA ... findings #Clinical #knee
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
Knee Examination ... Right Knee - Examination ... #Diagnosis #Sports ... #Knee #PhysicalExam
Knee Dislocation Classification: Anterior vs Posterior  #Diagnosis #EM #Ortho #Sports #Knee #Dislocation #Diagram #Classification #Anterior
Knee Dislocation ... Diagnosis #EM #Ortho #Sports ... #Knee #Dislocation
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Singh @rav7ks #Knee ... #Effusions #Arthrocentesis
Split, Fractured Patella on Knee Exam

30 years old male, 10 years post motorbike accident.  Split,
Fractured Patella on Knee ... Fractured #Patella #Knee ... #orthopedics #sports
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 ... *Always do arthrocentesis ... • Non-bloody: OA ... gonorrhea, Lyme, OA
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... stability to the knee ... PivotShift #test #ACL #Knee ... #PhysicalExam #Sports
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Usually involves the knee ... Sarcoid - Erosive OA
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... stability to the knee ... Lachmans #test #ACL #Knee ... #PhysicalExam #Sports