18 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
• Meniere's Disease ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... Glomus Tumors - Vascular ... #Neurology #Differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... , Méniére disease ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... differential #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... or minutes with vascular ... position change • Neurologic ... test Méniére's disease ... differential #diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Méniére's disease ... Vascular disorders ... Disease onset usually ... signs or symptoms ... differential #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
retraction (Collier's sign ... → "setting sun sign ... " - Vascular disease ... diagnosis #pineal #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... tinnitus (Méniére's disease ... or minutes with vascular ... diagnosis #findings #signs ... symptoms #comparison #neurology
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
Intrinsic Renal Disease ... Differential Diagnosis Vascular ... Fibromuscular disease ... : Antibiotics, NSAIDs ... #nephrology #differential
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
retraction (Collier's sign ... "setting sun" sign ... • Vascular disease ... Parinauds #syndrome #neurology
Parkinson's Disease - Signs and Symptoms
Systemic: Tremor and Slowness, Impaired balance, Small Handwriting, Sleepiness, Trouble Moving
Parkinson's Disease ... - Signs and Symptoms ... ventilatory control Muscular ... #Signs #Symptoms ... #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
neurodegenerative disease ... • Lhermitte’s sign ... objective evidence of neurologic ... sclerosis #diagnosis #management ... #neurology #treatment