17 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... Hemorrhage #Dizzy ... #Neurology #Differential ... #Diagnosis #Algorithm
Causes of Dizziness - Vertigo and Lightheadedness - Differential Diagnosis Algorithm
 • True Vertigo - Illusion
Causes of Dizziness ... - Differential Diagnosis ... Algorithm • True ... #Dizzy #Neurology ... #Algorithm #Causes
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... for a CENTRAL cause ... Video by Dr. ... #HINTS #PhysicalExam ... #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Video by Dr. ... #HINTS #PhysicalExam ... #Negative #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... #diagnosis #neurology
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... disoriented - Non-vertigo ... Somatization #Dizzy ... Lightheadedness #Neurology ... #Algorithm #Causes
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a central cause ... with nystagmus. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Algorithm Presyncope ... Associated with nausea ... #Algorithm #dizzy ... #differential #diagnosis ... #neurology #management
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Test = Central Cause ... This patient as ... Video by Dr. ... #Test #HINTS #PhysicalExam ... #Neurology #Vertigo
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... , such as with posterior ... #diagnosis #findings ... symptoms #comparison #neurology