21 results
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Findings: None • Auditory ... Usually present • Auditory ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
cover and uncover each ... Peripheral #Vertigo #diagnosis ... #neurology #bppv ... #comparison #table
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Time course and symptoms ... Positional Vertigo (BPPV ... #differential #diagnosis ... #comparison #table
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis ... #neurology #comparison
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... on examination table ... Vertiginous symptoms ... DixHallpike #Maneuver #BPPV ... #Instructions #Diagnosis
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
syndrome (set of symptoms ... hydromorphone, etc ... antihistamines #Diagnosis ... Toxicology #Toxidromes #Comparison ... #Table #Anticholinergics
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
of the lids • Symptoms ... eyedrops, surgery #Clinical ... #Diagnosis #Management ... Stye #Chalazion #Comparison ... #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Cholesteatoma (of middle ear): Pathogenesis and clinical findings
 • Congenital trapping of keratinizing epithelium in middle
Pathogenesis and clinical ... Signs / Symptoms ... Erosion of external auditory ... canal (EAC) • ... #signs #diagnosis