87 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... Dislocation - May cause
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Sub-Cortical (Corona radiata ... Consciousness • Cranial ... Brown-Sequard Syndrome ... Diagnosis #Algorithm #Causes
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
Causes of Unprovoked ... of Infancy • West ... Syndrome • Dravet ... Syndrome Generalized ... Diagnosis #Algorithm #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... arm, empty can test ... Rotator #Cuff #Syndrome
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Paresthesia of 5th and medial ... awakening • Medial ... elbow flexion test ... CubitalTunnel #Syndrome
Multiple Cranial Neuropathies - High Yield Differential Diagnosis
 • Intrinsic brainstem process
 • Compressive brainstem process
Multiple Cranial ... Miller Fisher Syndrome ... important for facial ... rarely botulism) Casey ... Differential #Diagnosis #causes
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
whispered voice test ... examination: ○ Cranial ... stroke may affect cranial ... cause unknown) ... II ○ Susac’s syndrome
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
: • Attacks: Gradual ... with vascular causes ... positional episodes caused ... Positive Hallpike test ... or supine roll test
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
myringitis • Cranial ... - Ramsay Hunt syndrome ... Temporomandibular joint syndrome ... infections Cranial ... Nerve V: • TMJ syndrome