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Diagnosing Vertigo, HINTS Exam - Coggle Diagram
Diagnosing Vertigo
Visualize a Stroke
HMW see into the brain?
HMW see that there is no clot?
HMW visualize a stroke?
HMW only check in the important places of the brain?
HMW check that there is no bleed?
HMW measure that there is no disturbance in blood flow?
Dizziness
HMW determine the cause of dizziness?
HMW differentiate between vertigo and light headedness?
HMW determine positional vertigo / dizziness?
HMW objectively measure vertigo / dizziness?
** HMW figure out how long an episode of vertigo has lasted?
Stroke Imaging
Visualize brain injury
** Visualize a stroke
See that there is no clot
Measure there is no disturbance in flow
Check that there is no bleed
Brain Labs
Evaluate brain injury in the lab
Measure that brain tissue is healthy
chemically evaluate for a clot
visualize neuronal injury
BPPV
Perform the Epley maneuver Automatically
Check for stones in the inner ear
Diagnose BPPV
Algorithm
HMW Give clinicians a linear protocol for a decision?
HMW use an algorithm to decide based on physical symptoms?
Eye movement
Measure Eye movement
Measure nystagmus
Balance
Objectively measure balance while walking or standing
EEG
Evaluate for stroke by EEG
Ears
** Determine difference in symmetry between nerve function between L and R inner ears
Ear
Measure abnormal signal from CN 8
Pressure
Measure fluid pressure differential between each ear
Hear
Measure difference in volume between L and R ear
Use headphones for feedback
Measure changes in hearing sensitivity L vs. R
Understand Weber's hearing test (tuning fork)
Fluid Vibration
Measure vibrational response of endolymph
Listen to the fluid moving int he semicirculat canal
Dissolving
Calcium reaction to some chemical or stimulus
Flow
Induce movement of stones in each ear
Measure fluid velocity in each ear
Ultrasound Doppler Fluid flow
Hair cell
Hair-nerve signal conduction
Hair deflection in semicircular canals
Ion flux in ear hair cells
Access
Through the external auditory canal
Fiber optic ear scope
Through the Eustachian tube
Nerve
Doing a balance test on one ear
Turn off the vestibular nerve on one side
Fluid collection
Fluid aspirate (collection)
Drain fluid and measure chemical composition
Drain fluid and look for stones
HINTS Exam
Nystagmus
High Speed Camera Detection
VR headset
Caloric exam
Laser light iris tracking
Electrical Impulse of Muscle
Electrical Impulse of CN3, 4, 6 nerves
Brain Waves with eye movement initiation
Instant replay camera
Head Impulse
Head impluse device that instructs amateurs
Headband robot
Spin in chair then stop and measure with camera
A way to move fluid in the ear? Otolith / Otoconia
Direct stimulation of CN8 to mimic head impluse
Velocity and pressure feedback for clinicians
Machine that moves head
Machine seat that moves body
Test of Skew
Flippy goggles like optomestrist