15 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... Varies • No neurologic ... with vascular causes ... change • Neurologic ... episodes caused
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... Benign paroxysmal positional ... Vestibulocochlear Nerve (CN ... differential #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Rotary Movement Peripheral ... Benign Paroxysmal Positional ... Dysfunction - Imbalance, neurologic ... Dizziness #Vertigo #Neurology ... Diagnosis #Algorithm #Causes
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... patients with a peripheral ... cause of AVS and ... with a central cause ... #PhysicalExam #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... Central Vertigo PERIPHERAL ... with vascular causes ... nose) • Head Position ... symptoms #comparison #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Central Vertigo PERIPHERAL ... without an obvious cause ... #Peripheral #Central ... #Vertigo #Causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
status, and focal neurologic ... Demyelinating disease caused ... confusion, and focal neurologic ... and <25% culture positive ... InfectiousDiseases #Neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... hypertension - CNS ... immunocompromise, CNS ... head in dependent position ... thrombophilia, neurologic
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... pain • Extra-CNS ... complications (AQP4-positive ... Manifestations #diagnosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Gram stain: Positive ... 90% • Culture: Positive ... Singh @rav7ks #CNS ... differential #diagnosis #neurology