65 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... - Vestibular Nerve ... Vestibulocochlear Nerve ... differential #diagnosis #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
thought to be caused ... the trigeminal nerve ... Most cases are congenital ... clinical #video #neurology ... #physicalexam #
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... Forehead involved = Peripheral ... (2% of facial nerve ... #neurology #sparing
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... nerve - Neuromuscular ... nerve - Muscle ... #Differential #Neurology ... #Causes #Diagnosis
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... diagnosis #table #neurology
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... long thoracic nerve ... Winged #Scapula #PhysicalExam ... clinical #video #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... axillary nerve ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Tumor • Motor Nerves ... Guillain-Barre syndrome ... Neuromuscular #Weakness #Causes ... differential #diagnosis #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed Dilated ... Oculomotor (3rd cranial nerve ... no neurological cause ... Unilateral #Fixed #Dilated ... differential #diagnosis #neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
reassuring for a PERIPHERAL ... cause of vertigo ... Nystagmus #HINTS #PhysicalExam ... Video #Negative #Neurology ... #Peripheral #Vertigo