15 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
flexion and extension ... • ED Management ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
intrinsic motor ... and no sensory ... • Carpal tunnel ... exam to carpal ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... fracture (scaphoid ... , median nerve injury ... #XRay #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
onto outstretched hand ... dislocation • ED Management ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... • Extension of ... wrist & MCP joint ... Small muscles of hand ... UpperExtremities #diagnosis
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
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... , median nerve injury ... , acute carpal tunnel ... Distal #Radiology #XRay ... #Diagnosis #Management
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Levels Spinal Root Sensory ... Motor Reflex C4 ... C6 Dorsal Thumb Wrist ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Medical Emergency ... damage to peroneal nerve ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis ... #motor #leg #physicalexam