14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... sensory #motor #arm #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 ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... NerveRoots #Levels #differential ... #diagnosis #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 ... sensory #motor #leg #physicalexam
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... The median nerve ... clinical #video #neurology ... #PhysicalExam
Gowers' Sign on Physical Exam

Caused by proximal muscle weakness typically seen in muscular dystrophy

#Gowers #Sign #PhysicalExam
Gowers' Sign on ... Physical Exam Caused ... #PhysicalExam # ... neurology #clinical ... #video #pediatrics
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... • Examine for signs ... caseyalbin #PhysicalExam ... #neurology #comatose
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Strength, Normal Reflexes ... • Spinal Muscular ... Peripheral Weakness - Nerves ... #Peds #Pediatrics
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 ... - Emergency Causes ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
4) progressive muscular ... Increased Jaw Jerk reflex ... conditions listed in differential ... activity between nerve ... Lateral #Sclerosis #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
- Differential ... Lesions of Cranial Nerves ... Myasthenia Gravis • Muscular ... hyperactive gag reflex ... #Dysarthria #Neurology