15 results
Causes of Back Pain #Diagnosis #EM #PrimaryCare #Differential #Back #Pain #BackPain #Spinal #Referred #Algorithm #Ddxof
Causes of Back Pain ... #Diagnosis #EM ... #Pain #BackPain ... #Spinal #Referred ... #Algorithm #Ddxof
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... Algorithm Always ... of neoplasm • Fracture ... • Cauda Equina Syndrome ... #Algorithm #Causes
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
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Severe low back ... - Emergency Causes ... Differential Diagnosis ... Palpation - lower back ... #causes #neurology
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 ... #differential #diagnosis ... #neurology
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
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
compression by fractured ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... Symptoms: • Back ... #algorithm
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
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Syndrome caused ... injury or after IM ... • Diagnosis: ... - Intense pain ... days, the local pain