37 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... Illusion of Rotary Movement ... symptoms/signs, ... #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Occlusion of posterior ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... Hallpike test (posterior ... No auditory symptoms ... Long symptom-free
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... due to Posterior ... /vomiting/vertigo ... #Wallenbergs #neurology ... #diagnosis
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... worse with movement ... Associated with nausea ... #differential #diagnosis ... #neurology #management
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
- Anterior vs Posterior ... Artery #Strokes #Syndromes ... CVA #Territory #Symptoms ... #Signs #Localization ... #Diagnosis #Table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... , such as with posterior ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Manifestations of Serotonin Syndrome ... • Ophthalmologic ... slow horizontal movements ... #Symptoms #spectrum ... #signs #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Vomiting Serotonin Syndrome ... Insomnia, Fatigue, Vertigo ... gain Incr NE: Nausea ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms