22 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Forehead Sparing = Central ... (2% of facial nerve ... : Bell's Palsy ( ... #neurology #sparing
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 ... - Ptosis #Bells ... #Palsy #Neurology ... #Signs #Symptoms
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Extraocular Movement Disorders ... One-and-a-half Syndrome ... Skew Deviation Casey ... Extraocular #Movement #Disorders ... ophthalmology #neurology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
, acute weakness ... of the Facial nerve ... an identifiable cause ... By @rev.med #Bells ... #Palsy #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... for pinch grip weakness ... caused by ulnar ... nerve palsy, testing ... #video #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... Saturday night palsy ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Non-neuromuscular disorder ... lesions of the central ... Lack of UMN/LMN signs ... • Inflammatory disorders ... Differential #Diagnosis #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
, Cranial nerve ... sensory level • Central ... nervous system signs ... encephalitis spectrum disorders ... diagnosis #criteria #neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal cord syndromes ... (ISCS) • Central ... (anterior horn cells ... positive Romberg sign ... #diagnosis #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Lesions Facial weakness ... VII, the facial nerve ... #Facial #Nerve ... #Paralysis #Bells ... #Palsy #Neurology