133 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... present • No auditory ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... and vomiting, auditory ... symptoms, unidirectonal ... Imbalance, neurologic symptoms ... #Differential #Diagnosis
Ramsay Hunt Syndrome - Herpes Zoster Oticus 
Triad:
1. Ipsilateral facial paralysis 
2. Ear pain 
3. Vesicles
Ear pain 3. ... Vesicles in the auditory ... HerpesZoster #Oticus #Diagnosis ... #Symptoms #Signs
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
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... cover and uncover each ... Central #Peripheral #Vertigo ... #diagnosis #neurology ... #bppv #comparison
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Paroxysmal Positional Vertigo ... nystagmus and vertigo ... symptoms in head-hanging ... toward the downward ear ... ) • Vertigo and
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
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
Migraine with Aura Diagnostic ... • Brainstem: Vertigo ... succession • Each ... another ICHD-3 diagnosis ... Migraine #Aura #diagnosis