11 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Primarily Upper Extremity ... Mixed upper and lower ... pathophysiology #signs ... #orthopedics #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... #LowerLimb #Extremity ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Bursitis • IBD • Psoriasis ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... papilledema • Horner syndrome ... • Meningeal signs ... infection (e.g., meningitis ... Diagnosis #Algorithm #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... extremity muscle ... extremity weakness ... #differential # ... diagnosis #causes #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Triceps power is ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... • Symptoms and signs ... MCTD, Sjogren syndrome ... , lower extremity ... disorders #diagnosis #neurology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... pain hematuria syndrome ... hematuria • Signs ... #Hematuria #Differential ... #nephrology #renal
Hoover's Sign for Functional Lower Extremity Paralysis

Used to distinguish organic from functional leg hemiparesis.

Ask the patient
Hoover's Sign for ... Functional Lower ... Extremity Paralysis ... clinical #video #physicalexam ... #neurology #psychiatry
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... segment: Upper extremity ... , lower extremity ... conditions listed in differential ... Lateral #Sclerosis #neurology