16 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Narrowing of spinal canal ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Lower Extremity Nerve Pathologies 

 • Obturator
 • Femoral
 • Common Peroneal
 • Tibial
 • Superior
Lower Extremity ... sarahthelyon #Lower ... #Extremity #Nerve ... #Pathologies #differential ... #innervation #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Weakness with Sensory ... Changes - Differential ... Compression: • Carpal ... Peripheral #Weakness #Sensory ... #Neurology #Differential
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... May be without sensory ... contralateral extremity ... #Hemiplegia #Neurology ... #Differential #
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... constipation Differential ... and sensory disturbances ... Equina #syndrome #differential ... diagnosis #causes #neurology
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
Peripheral Edema - Differential ... Framework for Lower ... Extremity Edema ... Peripheral #Edema #differential ... #Extremity #PhysicalExam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... spasticity • Lower ... , lower extremity ... disorders #diagnosis #neurology ... #differential
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Sensory loss below ... Primarily Upper Extremity ... Mixed upper and lower ... #orthopedics #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Sciatica • Tarsal ... #diagnosis #lower ... #extremity #msk ... #physicalexam