14 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
vs Peripheral Vertigo ... Head Impulse Test ... Nystagmus Test ... #Central #Peripheral ... #Neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... #PhysicalExam #Neurology ... #Posterior #CVA ... #Peripheral #Central
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral ... following a finger) • Test ... #Peripheral #Vertigo ... #diagnosis #neurology ... bppv #comparison #table
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... a "central vertigo ... #Peripheral #Central ... #Causes #differential ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Peripheral Vertigo ... Varies • No neurologic ... may be present Central ... or supine roll test ... #Algorithm #differential
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... Nystagmus: Purely vertical ... #Central #Vertigo ... symptoms #comparison #neurology
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
Dizziness - Differential ... : • Peripheral: ... Alternobaric • Central ... : CVA/TIA - Vertebrobasilar ... reaction, Arrhythmia, AS
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... Vertigo: • Peripheral ... Meniere's Disease • Central ... Prior strokes, Cervical ... #Diagnosis #neurology
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus, test ... the dizziness as ... or central TiTrATE ... of dizziness or vertigo ... Dizziness #Algorithm #Differential
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Emergencies - Differential ... of breath • Neurologic ... deficits (peripheral ... Superior Vena Cava ... • Dyspnea at rest