31 results
Myotomes of the Spinal Cord
Each segmental nerve root innervates more than one muscle. For simplicity, certain
Myotomes of the Spinal ... segmental nerve root ... spinal nerve root ... sphincter tone should ... Myotomes #SpinalCord #Diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Cauda Equina Syndrome ... compression of nerve roots ... Differential Diagnosis ... #differential #diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
: Due to nerve root ... Guillain-Barre Diagnosis ... of intrathecal spinal ... nerve roots and ... #diagnosis #management
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... Hyperviscosity Syndrome ... Malignant Epidural Spinal ... • Chest and shoulder ... #differential #diagnosis
Krukenberg's Spindle on Slit Lamp Ocular Examination

Krukenberg's Spindle = spindle-shaped deposit of pigment on the posterior
Krukenberg's Spindle ... pigment dispersion syndrome ... pigment dispersion syndrome ... #Ocular #PhysicalExam ... ophthalmology #SlitLamp
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
Seizure, coma, spinal ... dislocations (posterior shoulder ... compartment syndrome ... Electricity #Evaluation #Diagnosis
Roos' Test for Thoracic Outlet Syndrome

Roos' Test - abduct the shoulders to 90 degrees, flex the
Roos' Test for Thoracic ... Outlet Syndrome ... Roos' Test - ... abduct the shoulders ... #PhysicalExam #
Roos' Test for Thoracic Outlet Syndrome

To perform the Roos' Test abduct the shoulders to 90 degrees,
Roos' Test for Thoracic ... Outlet Syndrome ... To perform the Roos ... Test abduct the shoulders ... #PhysicalExam #
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... - Differential Diagnosis ... spasticity • Lower roots ... MCTD, Sjogren syndrome ... spinalcord #disorders #diagnosis
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
Begin with dark room ... Both pupils should ... Begin with dark room ... Both pupils should ... #Diagnosis #PhysicalExam