8 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
CK, Detectable HIV ... ) VA Joint Chiefs ... #differential # ... diagnosis #comparison ... #rheumatology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... rash) • Primary HIV ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... #diagnosis #causes ... #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... e.g., congenital hip ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Diagnosis Framework ... spine, shoulders, hips ... #Diagnosis #MSK ... #rheumatology #
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... JointHip Dysplasia ... Deformity #Limp #MSK ... #Differential # ... #Orthopedics #Causes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Syndrome: Fever, joint ... weakness + atrophy- Hip ... #rheumatology # ... differential #diagnosis