22 results
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Findings: None • Auditory ... Usually present • Auditory ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... findings BPPV ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... Time course and symptoms ... (BPPV): - Timing ... #differential #diagnosis ... #comparison #table
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... cover and uncover each ... #diagnosis #neurology ... #bppv #comparison ... #table
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
(BPPV) From Vestibular ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis ... #neurology #comparison
Melanoma - Clinical subtypes
 - 
Superficial spreading melanoma (70%)
 - 
Nodular melanoma (15%)
 - 
Lentigo maligna
Melanoma - Clinical ... melanoma (15%) - Lentigo ... melanoma (5%) #Diagnosis ... Melanoma #Subtypes #Comparison ... #Table #Superficial
Cholesteatoma (of middle ear): Pathogenesis and clinical findings
 • Congenital trapping of keratinizing epithelium in middle
Pathogenesis and clinical ... Erosion of external auditory ... canal (EAC) • ... Labyrinthine fistula • Vertigo ... #signs #diagnosis
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
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... Disorientation, vertigo ... Diagnostic tests ... #rheumatology #comparison ... #table