52 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Pain • Viral ... rash) • Primary HIV ... #Algorithm #Orthopedics
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
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
ED Management: Pain ... Discharge with orthpedic ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... Management #Hand #Orthopedics
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Calcium oxalate Infectious ... e.g., congenital hip ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... joints • Decr ... • Sacroiliac Joint ... Pain • Valgus ... symptoms #signs #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... and PIP joints ... fingertip) • Exam: Pain ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... rimmed vacuoles HIV ... CK, Detectable HIV ... #differential #diagnosis ... #comparison #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... spine, shoulders, hips ... Parvovirus B19 • HIV ... #Diagnosis #MSK ... #rheumatology #
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 ... #differential #diagnosis ... #causes #hematology
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
- Differential Diagnosis ... : HIV, Lyme, Diphtheria ... Mitochondrial issues - VA Joint ... #Differential #Diagnosis ... Algorithm #causes #neurology