46 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 ... #HINTS #Exam #PhysicalExam ... Central #Peripheral #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... vascular causes • Nystagmus ... #differential #diagnosis ... #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... unidirectonal nystagmus ... bidirectional nystagmus ... #Neurology #Differential ... #Diagnosis #Algorithm
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... normal head impulse test ... to the left and ... #HINTS #PhysicalExam ... Clinical #Video #Neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
only with upbeat and ... torsional nystagmus ... and reproduction ... Labyrinthitis #diagnosis ... #neurology #comparison
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... peripheral cause of AVS and ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #diagnosis #findings ... symptoms #comparison #neurology
Ice-pack Test for Myasthenia Gravis - Likelihood Ratio (LR) +24 / -0.16
Ice pack's can be used
Ice-pack Test for ... depolarization and ... BostonChiefs #Icepack #Test ... Myasthenia #Gravis #physicalexam ... #neurology #diagnosis
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... clinical #video #neurology ... #physicalexam # ... msk #orthopedics ... #sports #hand