10 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... No auditory symptoms ... (vestibular neuritis ... Long symptom-free
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Time course and symptoms ... distinguishing between causes ... movements Vestibular Neuritis ... differential #diagnosis #comparison ... #table
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... Labrynthitis/Vestibular Neuronitis ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... #Neurology #Differential
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... • Frequency of symptoms ... symptoms • Head ... Labyrinthitis #diagnosis #neurology ... #comparison
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Vestibular neuritis ... without an obvious cause ... #Causes #differential ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
for vestibular neuritis ... (vestibular neuritis ... with vascular causes ... 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 ... and duration of symptoms ... Disorientation, vertigo ... #rheumatology #comparison ... #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... constitutional symptoms ... Discontinuation of causal ... druginduced #lupus #sle #comparison ... #table #rheumatology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs/symptoms ... Blood cultures/serology ... in up to 30% of cases ... #Endocarditis #comparison ... Marantic #diagnosis #table
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
presyncope, exertional symptoms ... paroxysmal positional vertigo ... - Vestibular neuritis ... • Clues: Vertigo ... Evaluation #Geriatrics #Neurology