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

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... deficiency - Syrinx ... involved) - Tendon reflex ... in deep tendon reflexes ... differential #diagnosis #neurology
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
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Causes: 1. ... dysfunction • Abnormal reflexes ... Symptoms: • Upper extremity ... , lower extremity ... disorders #diagnosis #neurology
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
sensitivity to cold ... the ankle jerk reflex ... , is a neurologic ... Woltmans #Signs #PhysicalExam ... Clinical #Video #Neurology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
Orbicularis Reflex ... time, and can cause ... delusions and, in some cases ... #PhysicalExam # ... clinical #video #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... 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 ... #Hemiplegia #Neurology ... Diagnosis #Algorithm #Causes