19 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... the commonest cause ... #Palsy #Neurology ... #Signs #Symptoms
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... an identifiable cause ... Bell’s palsy happens ... #Palsy #neurology ... #anatomy #pathophysiology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Forehead Sparing = Central ... Forehead involved = Peripheral ... - Unilateral: Bell's ... Palsy (70-75%), ... #neurology #sparing
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
vs Central Lesions ... exemplified here by a Bell's ... palsy, is compared ... Nerve #Paralysis #Bells ... #Palsy #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Rotary Movement Peripheral ... vomiting, auditory symptoms ... Bone Fracture Central ... symptoms/signs, ... Dizziness #Vertigo #Neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... PERIPHERAL VERTIGO ... #Peripheral #Central ... differential #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... may be present Central ... with vascular causes ... Long symptom-free ... differential #diagnosis #neurology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Environmental triggers ... Viral replication causes ... perforation - Peripheral ... PolyarteritisNodosa #Pathophysiology ... Diagnosis #Signs #Symptoms
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... with vascular causes ... findings #signs #symptoms ... #comparison #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Bell's Palsy - Diagnosis ... Imaging (if atypical symptoms ... CNS inflammatory cause ... within 4m #Bells ... Management #Treatment #Neurology