368 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... 3) Number of Joints ... weight-bearing joints ... Number of Joints ... Inflammatory, crystalline
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... • Septic • Crystalline ... Lumbar Spine and SI Joints ... @AmyChung #Joint
Gout: Pathogenesis and Clinical Findings
 - Conditions of rapid cell turnover: hemolysis, psoriasis, lymphoproliferative disorders
 -
easily leaks into joints ... -> Uric acid crystallizes ... in a peripheral joint ... Neutrophils enter joint ... degradative enzymes into joint
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:
Inflammatory: crystalline ... Arthrocentesis #Joint
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... Swelling stimulates joint ... • Moving the joint ... > Stiffness is short-lived
This is what a shoulder dislocation looks like on US before and after reduction. Focus on
Focus on the joint ... EM_RESUS #Clinical #POCUS
Shoulder Effusion Ballottement on Physical Examination

Shoulder effusion. You can ballot and see fluid return at posterior
posterior glenohumeral joint ... PhysicalExam #msk #sports
Thessaly Test for Knee Meniscal Tear

The test is positive if there is medial or lateral joint
medial or lateral joint ... #orthopedics #sports
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
features - Joint ... bone deposits/spurs ... surrounding the joint
Lung Point in Pneumothorax on Lung POCUS

Abhilash Koratala MD @NephroP 

#Lung #Point #Pneumothorax #POCUS #Ultrasound #clinical
Lung Point in Pneumothorax ... on Lung POCUS ... NephroP #Lung #Point ... #Pneumothorax #POCUS