121 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... Loss of Corneal Reflex ... #Neurology #Signs ... #Symptoms #Diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... (2% of facial nerve ... : Bell's Palsy ( ... #Causes #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... Skew Deviation Casey ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
the BMJ R 3rd nerve ... palsy R 4th nerve ... palsy R 6th nerve ... CNIII #CNIV #CNVI #Neurology ... #Diagnosis #Chart
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity Nerve ... • Radial Nerve ... #Pathologies #differential ... #diagnosis #Neuropathy ... #innervation #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Diagnosis Framework ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... #diagnosis #neurology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
of the Facial nerve ... an identifiable cause ... when the facial nerve ... The cause is unknown ... #neurology #anatomy
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 ... Antecubital Fossa Elbow ... Middle Finger Elbow ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... - Peripheral nerve ... - Peripheral nerve ... Neuromuscular #Weakness #Differential ... #Neurology #Causes