7 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... No auditory symptoms ... Long symptom-free
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... following a finger) • Test ... #diagnosis #neurology ... #bppv #comparison ... #table
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
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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... with vascular causes ... #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus, test ... peripheral or central ... peripheral or central ... of dizziness or vertigo ... The approach uses
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs/symptoms ... intravenous drug use, Central ... in up to 30% of cases ... #Endocarditis #comparison ... #table