12 results
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
of Acute Kidney ... #Nephrology #AKI ... #Causes #Differential ... #Workup #Algorithm ... #Ddxof
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• MCC- acute ... - Emergency Causes ... Differential Diagnosis ... #differential #diagnosis ... #causes #neurology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... repeat testing • Acute ... unilateral flank pain ... by UW IM Residency ... #Algorithm #Workup
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Conditions: • Cauda ... Syndrome - Low back pain ... Commonly caused ... such as fibular fracture
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... roots -> Cauda ... compression by fractured ... Cord Causes: 1 ... #algorithm
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... Weakness - Lower ... Vertebral burst fracture ... involvement Cauda ... #differential #diagnosis
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Common Differential Diagnosis ... may radiate into lower ... Usually acute (< ... Commonly work related ... #Lower #BackPain
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Fracture • Arthritis ... deficiency etc) • Spinal ... Immobilization) • Acute ... #lower #extremity
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Syndrome - Summary Acute ... Epidemiology: • 1-2 cases ... Hands or feet • Pain ... of intrathecal spinal ... nerve roots and cauda
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Syndrome • Syndrome caused ... days after an acute ... injury or after IM ... • Diagnosis: ... - Intense pain