22 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... vomiting, auditory symptoms ... symptoms/signs, ... #Causes
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... No auditory symptoms ... Long symptom-free
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... with significant neurologic ... #Causes #differential ... #diagnosis #neurology
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Monoxide Poisoning Symptoms ... Headache 90% - Nausea ... vomiting 50% - Vertigo ... affected (inc pets ... Monoxide #Poisoning #Toxicology
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... Time course and symptoms ... distinguishing between causes ... #differential #diagnosis ... #comparison #table
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis ... seizure, dizziness, vertigo ... Ask about precipitating ... events, prodromal symptoms ... #Diagnosis #EM #
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... Associated with nausea ... #differential #diagnosis ... #neurology #management
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... with vascular causes ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
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
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
syndrome (set of symptoms ... ) caused by specific ... antihistamines #Diagnosis ... #Toxicology #Toxidromes ... #Comparison #Table