Dizziness Flashcards
What is the most common cause of presentation to the primary care physician in people over 74?
Dizziness
Define vertigo
a sensation of movement, usually spinning
What are some important questions to ask according to dizziness?
triggers, time course(most important) , associated symptoms, precipitators, alleviating factors, medication
Why is time course the most important question to ask in a history of dizziness?
Duration of episodes is the key: Seconds – BPPV Hours – Meniere’s Days – Vestibular neuritis Variable – migraine associated vertigo
In dizziness what are the 4 quick questions that can be asked to make a quick diagnosis
dizzy rolling over in bed - BPPV
was your first attack severe, lasting hours with vomiting +nausea?- vestibular neuritis
light sensitive during dizzy spells - vestibular migraine
Does one ear feel full or do you notice a change in hearing; around the time of the dizzy spell - Menieres
what are the utricle and saccule used for?
Sense horizontal and vertical motion
Is an acoustic neuroma likely to cause vertigo?
No very unlikely as it is slow growing and usually is diagnosed in unilateral hearing loss from an MRI
Spontaneous nystagmus =
Bi-directional nystagmus -
Nystagmus (vertical) -
the eye moves from left to right a little bit when you look straight
when moves eye from left to right there is a little bit a lag behind
This is another central sign – a purely vertical nystagmus cannot be produced by a peripheral problem. Basically only lags behind when look up and down