112 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... in semicircular canal ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
classic posterior canal ... in horizontal canal ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
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 ... #differential #diagnosis ... #comparison #table
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Long symptom-free ... Positional symptoms ... Self-limited symptoms ... presenting symptom ... #differential #diagnosis
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
Melanoma - Clinical subtypes
 - 
Superficial spreading melanoma (70%)
 - 
Nodular melanoma (15%)
 - 
Lentigo maligna
melanoma (15%) - Lentigo ... - (10%) - Acral ... melanoma (5%) #Diagnosis ... Melanoma #Subtypes #Comparison
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... • Frequency of symptoms ... symptoms • Head ... Labyrinthitis #diagnosis ... #neurology #comparison
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Monoxide Poisoning Symptoms ... vomiting 50% - Vertigo ... Subjective weakness 20% Diagnosis ... affected (inc pets ... Outdoors improves symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... - Differential Diagnosis ... vomiting, auditory symptoms ... Imbalance, neurologic symptoms ... #Differential #Diagnosis
Vertigo Differential Diagnosis and Management Algorithm
Vertigo: Symptom of illusory movement because of asymmetry in the vestibular
Vertigo Differential ... Diagnosis and Management ... Algorithm Vertigo ... : Symptom of illusory ... #Diagnosis #Management