&gt; and requires them to go to their doctor every two to four week to have a blood test done.<p>Can&#x27;t that be done digitally now?<p><a href="http:&#x2F;&#x2F;www.thenorthernecho.co.uk&#x2F;news&#x2F;14030069.Warfarin_screening_scheme_transforming_lives___NHS&#x2F;?ref=twtrec" rel="nofollow">http:&#x2F;&#x2F;www.thenorthernecho.co.uk&#x2F;news&#x2F;14030069.Warfarin_scre...</a><p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;CDDFTNHS&#x2F;status&#x2F;666205891629359104" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;CDDFTNHS&#x2F;status&#x2F;666205891629359104</a><p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;NHSIQ&#x2F;status&#x2F;666240577877499905" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;NHSIQ&#x2F;status&#x2F;666240577877499905</a><p>EDIT: Also <a href="http:&#x2F;&#x2F;www.nice.org.uk&#x2F;guidance&#x2F;ta249" rel="nofollow">http:&#x2F;&#x2F;www.nice.org.uk&#x2F;guidance&#x2F;ta249</a>