11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... commonly, 60%; also ... nerve injury ... #XRay #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... flexion and extension ... fractures • ED Management ... #XRay #Diagnosis ... #Management #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... onto outstretched hand ... extension • Possible ... #Radiology #XRay ... #Diagnosis #Management
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Myotomes Reflexes ... Medical Emergency ... damage to peroneal nerve ... fibular neck such as ... #diagnosis #neurology
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
proximal portion as ... onto outstretched hand ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... styloid fracture, median ... nerve injury, acute ... carpal tunnel syndrome ... #Diagnosis #Management
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
reactants are also ... Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... signs #symptoms #diagnosis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Clonus, Spasticity, Extensor ... - Medical time ... to diagnosis: months ... activity between nerve ... #management
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris ( ... ECU Subluxation diagnosed ... and locate all ... #physicalexam #video