12 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... joint hinge joint ... joint = hinge joint ... #Hand #Orthopedics ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
tender DIP joint ... #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... = Worry about late ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
-60 minutes or longer ... e.g., congenital hip ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Flexor Digitorum Profundus Test

Isolate the distal interphalangeal joint over the edge of the table and observe
interphalangeal joint ... to flex at the DIP ... #Hand #PhysicalExam ... video #sports #msk ... #orthopedics
BENNETT FRACTURE 
Bennett fracture is an intraarticular two-part fracture of the ulnar side of the base
, whereas the longer ... Metacarpal #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
interphalangeal joint ... extend at the PIP ... #Hand #PhysicalExam ... video #sports #msk ... #orthopedics #extensor
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... Infection - Viral (HIV ... fluid/Lactated ringers ... #Diagnosis #Management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... hip • Muscle strength ... affects the skin, neurologic ... vesicular eruption • Joints ... Palpable purpura, joint