60 results
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
Injuries by System: CNS ... ED arrival MSK ... posterior shoulder - AC ... especially with AC ... Evaluation #Diagnosis #Management
Lumbar Central Canal Stenosis Grading 
  - Normal - No CSF effacement 
  -
Lumbar Central Canal ... ; cauda equina nerve ... of cauda equina nerve ... Diagnosis #Radiology #MSK
Spondylosis - Pathogenesis and Complications

Vertebral disease that may compress the vertebral canal from all sides
Note: Do
the vertebral canal ... from all sides ... pathophysiology #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all ... carpal bones should ... dislocation • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Acute • Myloid (AML ... • Lymphoid (ALL ... Lymphadenopathy, CNS ... - B-cell CD5 ... Amy Chung, MD, MSc
Cervical Central Canal and Neural Foraminal Stenosis Grading

Cervical Central Canal Stenosis Grading
 - Normal - No
Cervical Central Canal ... Cervical Central Canal ... effacement at the nerve ... effacement at the nerve ... Diagnosis #Radiology #MSK
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Shoulder Abduction C5 ... Axillary Nerve ... Thoracodorsal Nerve ... Elbow Flexion C5 ... #MuscleGroups #MSK
Symptoms of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
Hypophosphatemia • CNS ... Bone pain • MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture, median nerve ... injury • ED Management ... Dislocation #Wrist #Carpal ... Orthopedics #Sports #MSK
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Grasp Weakness in Carpal ... of the median nerve ... & Ulnar nerve ( ... #orthopedics #msk ... #CTS
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