11 results
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 ... constipation Differential ... Examination - bilateral ... #differential # ... diagnosis #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... Conditions: • Cauda ... Equina Syndrome ... Myotomes #diagnosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... in deep tendon reflexes ... involvement Cauda ... #lesions #differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Tract Lesions: • Bilateral ... Lower roots -> Cauda ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
contralateral extremity ... findings Unilateral ... Spinal Cord Lesions ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... Decreased / Absent Reflexes ... of intrathecal spinal ... nerve roots and cauda ... management #treatment #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Locked-in syndrome ... dysfunction to the bilateral ... • Gag reflex ... #PhysicalExam #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... paralysis of all extremity ... nerve roots and cauda ... diagnosis #management #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
of Dysarthria - Differential ... jerk, hyperactive gag ... reflex. ... and Pitch • Spinal-Cerebellar ... #Dysarthria #Neurology