We were told that his stroke was caused by a 'clot' in his brain.
The streets are 'clotted' [='clogged'] with traffic.
medications that prevent blood from 'clotting'
(..) and fluid resuscitation. An endovascular stent is minimally invasive. It is a better option than a graft. But a stent could clot off because we won't be able to give blood thinners. His liver is still a bleeding risk. Let's take our chances (..)2019 TvShow: The Good Doctor Title: Incomplete Season: 3 Episode 9
(..) The graft is failing. Oh! What's happening? Infusing heparin. He's hypercoagulable. The tunnel catheter is gonna clot off just like the graft. That gives him even less leverage. It should convince Santiago to accept his brother's offer. Santiago? Why him? I'm negotiating. (..)2018 TvShow: The Good Doctor Title: Hubert Season: 2 Episode 7
(..) Uh, much appreciated, all the same. Oh. Oh, well, suit yourself then. And these scones. They're warm from the Kooka with Mr Butler's mulberry jam and clotted cream. Thank you. Um, I-I was wondering if... I mean, would you... I suppose what I'm trying to ask is... is would you... (..)2012 TvShow: Miss Fisher's Murder Mysteries Title: The Green Mill Murder Season: 1 Episode 3