19 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Syndrome ->Cord ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... bladder and rectal reflex ... #orthopedics #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... , Acute spinal cord ... Guillain-Barré syndrome ... finding in spinal cord ... diagnosis #table #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... result in permanent neurologic ... deficiency - Syrinx ... involved) - Tendon reflex ... in deep tendon reflexes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Diagnosis: • Spinal cord ... spondylitis • Tethered cord ... differential #diagnosis #causes ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... contralateral extremity ... Unilateral Spinal Cord ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Causes: 1. ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... , lower extremity ... disorders #diagnosis #neurology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
respiratory drive due to neurologic ... obesity-hypoventilation syndrome ... Pneumonia, asthma, COPD ... , pulmonary embolus ... hepatopulmonary syndrome
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
is a clinical syndrome ... abolished tendon reflexes ... hammer, caused ... Hypothyroidism #PhysicalExam ... clinical #video #neurology