
© Timothy C. Hain
The inner ear is often the source of vertigo. There, tiny crystals of calcium, or otoconia, can detach and move freely through the semicircular canals. Movement causes otoconia to stimulate the motion-sensitive cupula, which sends false signals to the brain, creating vertigo.
March 27, 2009. I was fine the night before. The little cold I'd had was gone, and I'd had the first good night's sleep all week. But when I woke up Friday morning at 6:15 and got out of bed, the world was whirling counterclockwise. I knocked against the bookcase, stumbled through the bathroom doorway and landed on my knees in front of the sink. It was as though I'd been tripped by a ghost lurking beside the bed.
Even when I was on all fours, the spinning didn't stop. Lightheaded, reaching for solid support, I made it back to bed and, showing keen analytical insight, told my wife, Beverly, "Something's wrong."
The only way I could put on my shirt was to kneel on the floor first. I teetered when I rose. Trying to keep my head still, moving only my eyes, I could feel my back and shoulders tightening, forming a shell. Everything was in motion, out of proportion, unstable. I barely made it downstairs for breakfast, clutching the banister, concentrating on each step and, when I finally made it to the kitchen, feeling too aswirl to eat anyway. I didn't realize it at the time, but those stairs would become my greatest risk during this attack of relentless, intractable vertigo.
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