12 results
Causes of Back Pain #Diagnosis #EM #PrimaryCare #Differential #Back #Pain #BackPain #Spinal #Referred #Algorithm #Ddxof
Causes of Back Pain ... #Diagnosis #EM ... #BackPain #Spinal ... #Referred #Algorithm ... #Ddxof
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... of Leg Pain: ... • Fracture • Arthritis ... deficiency etc) • Spinal ... #diagnosis #lower
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... unilateral flank pain ... if cause not identified ... by UW IM Residency ... #Algorithm #Workup
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... Causes of spinal ... Vertebral burst fracture ... - Leg weakness ... #differential #diagnosis
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
- Ensure leg ... • Syndrome caused ... injury or after IM ... • Diagnosis: ... - Intense pain
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
syndrome - Deafferentation ... Post-stroke • Spinal ... #Mechanisms #Neurology ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... sensory loss to pain ... #Algorithm #Causes
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Weakness: Starts in legs ... Reflexes: Arms or legs ... Hands or feet • Pain ... of intrathecal spinal
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... compression by fractured ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... #algorithm