A growth on the artery wall is 'choking off' the blood supply.
He was 'choking back tears' as he talked about his late wife.
She 'choked' to death. = She died by 'choking'.
(..) I know what it is, Aaron. Mr. President, this is a purposeful provocation by the Iranians to take advantage of the night's events and choke off the Western world's main supply of oil. Just as we're on our knees, they're gonna step on our throat. Aaron. I finally got past the (..)2016 TvShow: Designated Survivor Title: Pilot Season: 1 Episode 1