11 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
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 ... sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... #causes #neurology
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... unformed) PNA diagnosed ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Syndrome - Low back ... pain, sciatica, ... saddle (perineal ... Commonly caused ... Dermatomes #Myotomes #diagnosis
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... etc) in lumbar spine ... Incontinence • Saddle ... Syndrome #MSK #pathophysiology ... #diagnosis #symptoms
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
dissection is caused ... Evaluation: 1. ... with chest/abd/back ... Marfans, EDS ... Aortic #Dissection #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... with or without back ... pain at/near level ... bouts of HTN Diagnostic ... • Infectious 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 ... Guillain-Barre Pathophysiology ... Hands or feet • Pain ... Back or extremities ... of intrathecal spinal
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... crackles in the right middle ... remodeling of the spiral ... crackles, chest pain ... #differential #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
The Neurological Evaluation ... Differential Diagnosis ... • Mutism Pathophysiology ... Possible responses to pain ... wrists flexed back