177 results
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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... vomiting, auditory symptoms ... #Differential #Diagnosis ... #Algorithm #Causes
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
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
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis ... seizure, dizziness, vertigo ... events, prodromal symptoms ... their associated symptoms ... #Diagnosis #EM #
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 ... Treatment: 100%
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... effect following treatment ... #Differential #Diagnosis ... #Algorithm #Causes
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... consciousness Vertigo ... Associated with nausea ... #differential #diagnosis
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
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo ... Diagnostic tests ... #rheumatology # ... comparison #table