51 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... categories of joint ... e.g., congenital hip ... #Pain #MSK #rheumatology
Rheumatoid Arthritis
Rheumatoid Arthritis (RA) is an inflammatory autoimmune condition. While chiefly thought of as a joint
Rheumatoid Arthritis ... Rheumatoid Arthritis ... thought of as a joint ... #inflammation #joint ... #msk #arthritis
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 ... so trauma and joint ... - parvovirus, HIV ... #Joint #Pain #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... “Bamboo Spine” Fusion ... • Reactive arthritis ... @AmyChung #Joint ... #Disorders #msk
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Pathogenesis and Joint ... Joint involvement ... effusion (Swelling ... esp carpal, MCP, PIP
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... in Rheumatoid arthritis ... affects the knee hip ... Comparison #Versus #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - Septic Arthritis ... Brucellosis - Viruses: HIV ... : - Reactive arthritis ... differential #diagnosis #msk
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Joint Test on Physical ... For intrinsic vs joint ... joint preventing ... finger at MCP joint ... clinical #video #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
on POCUS IVDU ... Scan over AC joint ... AC joint septic ... #Effusion #POCUS ... clinical #ultrasound #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:
STAIN CULTURE PCR TEST ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... Septic #Infective #Arthritis