185 results
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis #Neurology ... Central #Algorithm #BPPV
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
TylerLarsenMD #HINTS #physicalexam ... Vertigo #diagnosis #neurology ... #bppv #comparison ... #table
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
for a PERIPHERAL cause ... Nystagmus #HINTS #PhysicalExam ... Clinical #Video #Negative ... #Neurology #Peripheral
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... position change • Neurologic ... auditory findings BPPV ... positional episodes caused
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... posterior canal BPPV ... horizontal canal BPPV ... with vascular causes ... symptoms #comparison #neurology
Causes of Frequency, Nocturia, Polyuria

#Frequency #Nocturia #Polyuria #Causes #Differential #Urology #Table
Causes of Frequency ... Nocturia #Polyuria #Causes ... #Differential #Urology ... #Table
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
100%, then all negative ... PPV: proportion ... prevalence is low, then PPV ... proportion of negative ... specificity -> higher PPV
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... impulse test: Negative ... consistent with BPPV ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis #neurology
Relative Afferent Pupillary Defect

Dr. Felipe Duarte Augusto @semiologianeurologica

#RAPD #Relative #Afferent #Pupillary #Defect #Neurology #Clinical #Video #Pupils
Relative Afferent ... semiologianeurologica #RAPD #Relative ... Pupillary #Defect #Neurology ... Video #Pupils #PhysicalExam