8 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... Reactive Syndrome - Acute ... rheumatic fever ... Ligamentous injuries - Meniscal ... differential #diagnosis #msk
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... • synovitis; joint ... nodules, joint ... ideally limit for acute
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... in persons with rheumatoid ... : • Acute or chronic ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Chronicity: • Acute ... rheumatic fever ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Gram-negative bacilli ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Inflammatory Joint ... (i.e. in Rheumatoid ... arthritis, Lupus ... commonly affects the knee ... Comparison #Versus #MSK
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... spondylitis - Sacroiliac joint ... of the affected joint ... for Acute Polyarthritis ... • Sacroiliac joint
Popliteal (Baker’s) Cyst: Pathogenesis and clinical findings
 • Idiopathic
 • Meniscal Lesions
 • Osteoarthritis
 • Rheumatoid
Idiopathic • Meniscal ... Arthritis Notes ... communication with the joint ... the underlying joint ... with underlying joint