15 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... rash) • Primary HIV ... Articular - Acute ... #JointPain #MSK
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Acute Joint Pain ... Open Fracture, Infectious ... joint pain Autoimmune ... #JointPain #VitaminCD ... #Mnemonic #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 ... pain/Night sweats ... Infectious Knee ... Reactive Syndrome - Acute ... differential #diagnosis #msk
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
commonly affects the knee ... hip and L/C-spine ... > Stiffness is short-lived ... Comparison #Versus #MSK ... #JointDisease #JointPain
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... the time course (acute ... spine, shoulders, hips ... Gram-negative bacilli ... #Diagnosis #MSK
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Genitourinary Infection ... Rheumatic Fever Acute ... #Inflammatory #JointPain ... #MSK #Differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Calcium oxalate Infectious ... Arthritis: • Acute ... or chronic infections ... e.g., congenital hip ... #Pain #MSK #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Chronicity: • Acute ... (bacterial), acute ... - parvovirus, HIV ... #Joint #Pain #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
: • Infection: ... entrapment • Infections ... Herpes zoster - HIV ... Immobilization) • Acute ... lower #extremity #msk
Gaenslen's Test (Gaenslen's maneuver) for Sacroiliac Joint Injury

The patient dangles the symptomatic leg over the side
of the table, knee ... applies passive hip ... SIJ lesion if pain ... #physicalexam #msk ... #orthopedics #sports