8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... • Cauda Equina Syndrome ... saddle (perineal) anesthesia ... #Myotomes #diagnosis ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... and Myotomes Motor ... regimental badge" anesthesia ... #Myotomes #diagnosis ... #neurology #sensory
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... upper and lower motor ... reflex. saddle anesthesia ... #diagnosis #pathophysiology ... #orthopedics #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• S - Saddle anesthesia ... Differential Diagnosis ... region (S2-S4 dermatomes ... #differential #diagnosis ... #causes #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... Transverse myelitis: Motor ... deficits ranging from paresthesia ... Manifestations #diagnosis ... #neurology #symptoms
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Weakness - Lower motor ... lesion - Upper motor ... loss - Saddle anesthesia ... #differential #diagnosis ... #neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal cord syndromes ... Disproportionate motor ... dysfunction, saddle anesthesia ... Incomplete #spinalcord #syndromes ... #diagnosis #neurology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... hypernatremia - Cushing's syndrome ... #Features #Diagnosis ... #Comparison #Table ... #Nephrology