637 results
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 ... Acute = Viral - parvovirus ... #Joint #Pain #MSK
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Rash • Human parvovirus ... SLE • Human parvovirus ... #dermatology #joint
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... • How many joints ... OLIGOARTHRITIS • 2-4 joints ... Infections: • Parvovirus ... #Arthritis #Joint
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... Varicella, EBV - Parvovirus
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
spondylitis - Sacroiliac joint ... of the affected joint ... Antistreptolysin O titer • Parvovirus ... • Sacroiliac joint
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Pathogenesis and Joint ... poly-articular joint ... affecting the small joints ... Joint involvement ... space decr joint
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
= definite RA Joint ... 2-10 large joints ... , +/- large joints ... points >10 joints ... least 1 small joint
Common Forms of Arthritis in the Hands

Acute Rheumatoid Arthritis 
Tender, painful, stiff joints in rheumatoid arthritis,
painful, stiff joints ... interphalangeal joints ... interphalangeal joints ... (Degenerative Joint ... Joint involvement
Phalanges - Hand Anatomy

Joints between phalanges are named interphalangeal meaning “between phalanges.” Because each finger has
Hand Anatomy Joints ... interphalangeal joints ... interphalangeal) joint ... interphalangeal) joint
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Inflammation of joints ... commonly large joints ... Oligoarthritis: Joint ... pain in a few joints ... ) - Large Joint