31 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Monoarthritis • Septic ... “Bamboo Spine” Fusion ... @AmyChung #Joint ... #Disorders #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Culture MRSA. ... AC joint septic ... AC joint septic ... #Effusion #POCUS ... clinical #ultrasound #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... ): • Septic joint ... for cell count, culture ... • WBC >20k: Septic ... #Joint #Pain #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... : Negative Septic ... analysis: • MSU ... rav7ks #Knee #Effusions ... #joint #fluid #
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
or volar plate rupture ... dislocation, due to rupture ... dislocation, due to rupture ... Finger splint • Ortho ... #Orthopedics #MSK
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
(%) GRAM STAIN CULTURE ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... Aspiration #Pseudogout #Septic
Tibiotalar Ankle Effusion Evaluation on Point of Care Ultrasound (POCUS)

POCUS for ankle effusions: position the ankle
Tibiotalar Ankle Effusion ... Evaluation on Point ... ) POCUS for ankle ... the tibiotalar joint ... #MSK #Clinical
Ankle Arthrocentesis on POCUS

This patient presented with non traumatic ankle pain & swelling. PoCUS can detect
PoCUS can detect ... an effusion and ... Absence of a joint ... a septic joint unlikely ... #ultrasound #msk
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... • Charcot Joint ... Bursa • Aseptic ... • Tendon Rupture ... Intraarticular #MSK
Relevant Sonopathology of the Parasternal Long Axis (PLAX) - Point of Care Ultrasound
 - Right Ventricular
Axis (PLAX) - Point ... Papillary Muscle Rupture ... - Pericardial Effusion ... #Diagnosis #POCUS