10 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
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
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... - C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... #diagnosis #neurology
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
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... dorsum of foot and lateral ... Commonly caused ... such as fibular fracture ... #diagnosis #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Greater Trochanter Fracture ... of knee due to laterally ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... the following symptoms ... • Associated symptoms ... external ear and ear canal ... #differential #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... - Emergency Causes ... Differential Diagnosis ... #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... flexed at the elbow ... Casey Albin MD @
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... extends from the elbow ... What are the symptoms ... ECU Subluxation diagnosed ... physicalexam #video #Orthopedics