9 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the nerve of elbow ... wrist and elbow ... drop: ECRB and ... ECU are lost (which
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... flexion and extension ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... Tenderness to anatomic ... extension • Possible ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... injury • ED ... #Carpal #Radiology ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... drop - Occurs after ... spared in this injury ... sensory #motor #arm
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
onto outstretched hand ... Posterior long arm ... #Humerus #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... can't make A-OK sign ... Posterior long arm ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris (ECU ... extends from the elbow ... #physicalexam #video ... #msk
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Awareness • Injury ... threat Cranial Nerves ... decortication), abnormal extensor ... • Examine for signs ... flexed at the elbow