You should tune back in but on a different channel maybe, because thrombotic microvasculopathy looks like it may play a significant role in COVID progression. No need to listen to the ortho guy though, there are tPA studies underway, some ongoing autopsy investigations and a lot of people anticoagulating patients on parallel indications (like clotting up filters).

Here's the autopsy series that is quite suggestive: https://www.medrxiv.org/content/10.1101/2020.04.06.20050575v1

Here's the first tPA series: https://onlinelibrary.wiley.com/doi/epdf/10.1111/jth.14828

Here's the news release on a pilot study for tPA: https://www.wcvb.com/article/beth-israel-deaconess-medical-center-seeking-treatment-of-respiratory-failure-linked-to-covid-19-coronavirus/32060711