39 results
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 ... tendon) • ED Management ... #Orthopedics #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Chronicity: • Acute ... Like in this case ... - parvovirus, HIV ... #Joint #Pain #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to ... fracture • ED Management ... : Pain control, ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
pain, swelling, ... manifestations are ... • Non-specific Acute-phase ... pain), especially ... esp carpal, MCP, PIP
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
nociceptors -> Pain ... painful swelling -> Pain ... mechanical forces that are ... affects the knee hip ... Comparison #Versus #MSK
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Pain • Viral ... Articular - Acute ... Infectious #JointPain #MSK
Approach to Joint Pain

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

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
the time course (acute ... spine, shoulders, hips ... MONOARTHRITIS • Acute ... asymmetric pattern Acute ... #Diagnosis #MSK
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Diagnosis and Management ... fungal infection, HIV ... 60-90%), Muscle/joint ... pain (10-40%), ... Secondary #Diagnosis #Management
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Framework Bone/Joint ... Herpes zoster - HIV ... Immobilization) • Acute ... onset - Intense joint ... lower #extremity #msk