8 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
in semicircular canal ... test (posterior canal ... test (horizontal canal ... No auditory symptoms ... Long symptom-free
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Test in Posterior Canal ... Paroxysmal Positional Vertigo ... nystagmus and vertigo ... Reproduction of vertigo ... symptoms in head-hanging
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... Time course and symptoms ... of peripheral vertigo ... #Peripheral #Vertigo ... diagnosis #comparison #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... classic posterior canal ... in horizontal canal ... findings #signs #symptoms
Melanoma - Clinical subtypes
 - 
Superficial spreading melanoma (70%)
 - 
Nodular melanoma (15%)
 - 
Lentigo maligna
melanoma (15%) - Lentigo ... - (10%) - Acral ... Subtypes #Comparison #Table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
and duration of symptoms ... angioedema Other symptoms ... Disorientation, vertigo ... rheumatology #comparison #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... constitutional symptoms ... Discontinuation of causal ... sle #comparison #table
Cholesteatoma (of middle ear): Pathogenesis and clinical findings
 • Congenital trapping of keratinizing epithelium in middle
middle ear Signs / Symptoms ... external auditory canal ... Labyrinthine fistula • Vertigo ... pathophysiology #symptoms