12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... sleeping as in this case ... #Palsy #PhysicalExam ... #msk #sports #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... Consciousness • Cranial Nerve ... contralateral extremity ... #Hemiplegia #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... #leg #physicalexam
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Levels Spinal Root Sensory ... C6 Dorsal Thumb Wrist ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Palsy as cause ... palsy with finger ... palsy. ... #video #physicalexam ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... and/or genital sensory ... - Emergency Causes ... #diagnosis #causes ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... brainstem Motor/Sensory ... caseyalbin #PhysicalExam ... #neurology #comatose
Galant Reflex on Physical Exam

The Galant reflex is present at birth and remains until the 2nd
persistent in cases ... type cerebral palsy ... #PhysicalExam # ... clinical #video #Neurology ... #Peds #Pediatrics
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology ... #differential