![]() ![]() Their eyes move back and forth uncontrollably.” “You lean them back and, woah, the crystals move and they get dizzy. “It’s usually in one ear or the other,” Miller says. In most cases diagnosing BPPV is usually done with a procedure known as the Dix-Hallpike maneuver. “It lasts about 30 seconds, and then it goes away,” Miller says. If you’re still the crystals don’t do anything.” Any motion, looking up, looking down or even rolling over in bed can set it off. “So when you move all those little crystals move around. “It’s the snow globe effect,” Miller says. The spinning effect from BPPV only comes with movement. “If there’s an imbalance in signal input you get that abnormal sensation of spinning.” “Those crusty little crystals get into the semi circular canals and rattle around and send aberrant signals to the brain,” says Miller. “So, if you look at large numbers of patients it’s pretty common.”īPPV is caused by tiny crystals in the inner ear. “Your lifetime risk of that is about two and a half percent,” says Miller. A fairly common cause of vertigo is benign paroxysmal positional vertigo (BPPV). It is also possible to induce vertigo by spinning quickly in circles, or through intoxication. ![]() Vertigo can also occur with migraine headache. There are many causes of vertigo, including those that are rare, like vestibular neuritis, and Meniere’s disease. “It’s that feeling of ‘my head is turning.’” “Vertigo is a specific sensation of spinning or turning that you get when your sense of place is not stable,” says Tom Miller, MD, chief medical officer of University of Utah Hospitals and Clinics. It’s the thing that makes you go “ahh:” Vertigo. ![]()
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