9 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Radial Nerve ... • Median Nerve ... diagnosis #Neuropathy #anatomy ... #arm #innervation ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... of pre-axial hand ... and intrinsic motor ... #Nerve #Anatomy ... #diagnosis #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... The first motor ... involve a wrist drop ... #Nerve #Anatomy ... #diagnosis #neurology
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 ... Respiration None C5 Radial ... Reflex L2 Anterior Medial ... Cremasteric Reflex L3 Medial ... Extension None L4 Medial
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Medical Emergency ... Neuropathy - Foot drop ... Commonly caused ... damage to peroneal nerve ... #sensory #motor
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Speech, Tongue and Facial ... Nerves VII, IX, ... • Amyotrophic Lateral ... #Dysarthria #Neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
cord regions of innervation ... failure Diagnosis - Medical ... activity between nerve ... neurons - IV free radical ... #Sclerosis #neurology
Causes of Myoclonus - Differential Diagnosis
LOCALIZATION:
 • Cortical: Focal/multifocal: Distal UL+ Face, Action/sensitive induced
 • Sub-Cortical:
Causes of Myoclonus ... Sub-Cortical: Axial ... • Peripheral: Hemifacial ... withdrawal, contrast media ... #neurology