Gases that have accumulated in the blood come boiling out and cause tiny strokes in the surrounding tissue.
Mayor Koch has been in the hospital since suffering a "tiny, trivial" stroke Thursday.
She moaned and her hips trembled in time with his tiny strokes, jolted by bursts of electric delight.
Even the wall she leans on is the product of thousands of tiny strokes of different colors.
The researchers looked at the MRIs for evidence of these tiny strokes and counted them.
Her hands shook from time to time, and there was a distinct neural tic down the left side of her face, like some tiny stroke.
Using tiny strokes, she depicts them in their underwear and they look like naughty, slightly furry children.
The fact was, I had suffered a very tiny stroke, and could not for a while speak, though I myself did not know it.
Because I am a published author, it was a tiny stroke of genius to have the actress playing the character write the book too.
"I don't know whether she's having tiny strokes or if it's early-onset Alzheimer's disease," he'd said.