25 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... birefringent crystals), Gout ... TB arthritis, Septic ... #Diagnosis #Differential ... Infective #Arthritis #Interpretation
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
synovial fluid - Interpretation ... does not rule out ... 50,000 #Diagnosis #Differential ... Arthrocentesis #Joint ... Infective #Arthritis #Interpretation
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... ): • Septic joint ... • WBC >20k: Septic ... #Joint #Pain #MSK ... approach #workup #differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... Monoarthritis • Septic ... Crystalline - Gout ... Disorders #msk #Differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... Pain • Viral ... Fasciitis • Septic
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Monoarticular • Gout ... ) • Gout • Psoriatic ... JointPain #MSK #Differential
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Arthrocentesis Interpretation ... Culture: Negative Septic ... analysis: • MSU: Gout ... #diagnosis #septic ... #joint #fluid #
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... UTI, Pneumonia, Sepsis ... Insomnia, HTN, PRES, Pain ... Delirium - VA Joint ... #Status #AMS #Differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic ... • Differentiate ... BrighamChiefs #Bone #Joint ... #Disease #differential
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... - Differential ... Bursa • Aseptic ... e.g„ Myofascial Pain ... Intraarticular #MSK #Differential