30 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... Palsy. ... the commonest cause ... Loss of Corneal Reflex ... #Neurology #Signs
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Conditions Erb's Palsy ... Saturday night palsy ... Myotomes #diagnosis #neurology
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 ... trauma_modern #Wrist ... #msk #sports #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve of elbow, wrist ... space and the wrist ... • Thus a PIN palsy ... nerve (or PIN) palsy ... 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
Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... L2 Anterior Medial ... L3 Medial Femoral ... differential #diagnosis #Neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... nerve palsy) ... Unilateral: Bell's Palsy ... #neurology #sparing
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... cause for Wrist ... nerve palsy with ... #physicalexam #neurology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
paralysis of the Facial ... an identifiable cause ... when the facial ... The cause is unknown ... #neurology #anatomy
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... • Medial Longitudinal ... Skew Deviation Casey ... ophthalmology #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
side of the wrist ... elbow flexion, wrist ... (supinator) reflex ... Supinator #Test #Reflex ... #neurology #clinical