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 Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... same side of the peripheral ... #Phenomenon #Sign ... ophthalmology #neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Cause This video ... patient with vertigo symptoms ... cause of vertigo ... #Abnormal #HeadImpulse ... Clinical #Video #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Cause This video ... patient with vertigo symptoms ... cause of vertigo ... #Abnormal #HeadImpulse ... Clinical #Video #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Rotary Movement Peripheral ... vomiting, auditory symptoms ... symptoms/signs, ... Dizziness #Vertigo #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 ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Central Vertigo PERIPHERAL ... signs or symptoms ... #Vertigo #Causes ... differential #diagnosis #neurology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... WBC >100k, + lab signs ... Lysis of tumor cells ... into serum • Triggers
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
Crises can be precipitated ... The underlying pathophysiology ... Can be triggered ... Crisis #Features #Signs ... #Symptoms
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... with vascular causes ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology