16 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... dislocation, distal radius ... #Wrist #Carpal ... Radiology #XRay #Diagnosis
Causes of Common Accidental and Non-Accidental Pediatric Fractures - Differential Diagnosis Algorithm
Accidental Trauma
 - Distal Radius
Causes of Common ... - Differential Diagnosis ... - Elbow ... condylar • Lateral ... #Algorithm #Causes
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... variable gross wrist ... injury, acute carpal ... tunnel syndrome ... Radiology #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... fracture (scaphoid ... styloid fracture ... #Carpal #Radiology ... #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... injuries: distal radius ... Splint: Thumb spica ... #TerryThomas #Wrist
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... : Don't cause spinal ... • Vertebral canal ... compromisation > 1/3 • Bilateral ... #Orthopedics #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... such as fibular fracture ... canal and neural ... Dermatomes #Myotomes #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... - Emergency Causes ... Differential Diagnosis ... #causes #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... Causes of spinal ... Lower motor neuron symptoms ... Vertebral burst fracture ... #differential #diagnosis