11 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
hinge joint; ROM ... = hinge joint; ... fingertip) • Exam: Pain ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... : Pain control, ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... Adjacent bursa • Tendon ... -60 minutes or longer ... #Pain #MSK #rheumatology ... #differential #diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... warm, swollen, tender ... for cell count, culture ... #Joint #Pain #MSK ... #rheumatology #
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
left shoulder pain ... Tender on top of ... Diagnosis? ... Culture MRSA. ... clinical #ultrasound #MSK
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
onset of swelling, pain ... ankles, knees, fingers ... swelling, significant pain ... Gout #Comparison #rheumatology ... #Diagnosis
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
and Management ... swelling, significant pain ... frequent attacks • Arthritis ... elbows, Achilles tendon ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diminished, or tender ... vesicular eruption • Joints ... Palpable purpura, joint ... involvement, abdominal pain ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... vesicular eruption - Joints ... episcleritis as well as inner ... diminished, or tender ... #rheumatology #
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
onset of swelling, pain ... used to diagnose ... with acute neck pain ... Deposition #Disease #Rheumatology ... #diagnosis #management