197 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... vomiting, auditory symptoms ... Imbalance, neurologic symptoms ... #Differential #Diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Long symptom-free ... without an obvious cause ... #Causes #differential ... #diagnosis #neurology
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 #
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
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
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
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 ... of peripheral vertigo ... #differential #diagnosis
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Monoxide Poisoning Symptoms ... Headache 90% - Nausea ... vomiting 50% - Vertigo ... Outdoors improves symptoms ... #management
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... with vascular causes ... #diagnosis #findings ... #signs #symptoms
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... instability 3) Nausea ... Labyrinthitis #Diagnosis ... #Symptoms #Signs