77 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Low Back Pain - Differential ... Diagnosis Intrinsic Spine ... Compression fracture, Spinal ... Referred: • Vascular ... cholecystitis; • Neurologic
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Encephalopathy - Differential ... : Vascular (IS, ... : Vascular (SDH) ... paraneoplastic syndromes ... Encephalopathy #Differential
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... #Differential #
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Volume / Bulk Neurologic ... Hirschsprung's Disease • Spinal ... Guillain-Barré Syndrome ... • Muscular Dystrophy
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... - Narrowing of spinal ... stopping walking (vascular ... Myotomes #diagnosis #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Simultagnosia on Physical Exam (Balint Syndrome)

The patient can recognize objects one at a time but cannot
Physical Exam (Balint Syndrome ... Simultagnosia #Balint #Syndrome ... PhysicalExam #clinical #video ... #neurology #ophthalmology
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 ... lumbar stenosis • Vascular ... #differential # ... diagnosis #causes #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... -> Anterior spinal ... injury, often from vascular ... -> Posterior spinal ... #orthopedics #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... Tonic-clonic Provoked: • Vascular ... thrombosis, Congenital vascular ... vasoconstriction syndrome ... Algorithm #Causes #neurology