39 results
SNOOP mnemonic may catch potentially life-threatening headaches
Systemic signs and disorders
Neurologic symptoms
Onset new or changed & patient
life-threatening headaches ... Systemic signs ... and disorders Neurologic ... symptoms Onset ... redflag #dangerous #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
with significant neurologic ... 67% had headache ... attacks with varying neurologic ... signs or symptoms ... differential #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... position change • Neurologic ... No auditory symptoms ... Long symptom-free ... differential #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... vomiting, auditory symptoms ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... #Neurology #Differential
Vertigo Differential Diagnosis and Management Algorithm
Vertigo: Symptom of illusory movement because of asymmetry in the vestibular
Vertigo Differential ... Diagnosis and Management ... : Symptom of illusory ... #Diagnosis #Management ... #Algorithm #neurology
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
reversible aura symptoms ... • Brainstem: Vertigo ... 60 minutes, by headache ... diagnosis #criteria #neurology ... #headache #ICHD3
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
classic posterior canal ... in horizontal canal ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Test in Posterior Canal ... nystagmus and vertigo ... symptoms in head-hanging ... testing #findings #signs ... #bppv #vertigo
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... consciousness Vertigo ... differential #diagnosis #neurology ... #management
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Monoxide Poisoning Symptoms ... non-specific: - Headache ... vomiting 50% - Vertigo ... Outdoors improves symptoms ... Toxicology #diagnosis #management