In atrial fibrillation, the blood from the atria is not fully ejected into the other heart chambers. Blood remaining in the atria could form clots, which could increase the risk of heart attack or stroke (when the clot wedges itself into an artery of the heart or brain). As a blood thinner, Coumadin helps prevents these clots.
Laverne Cox is an American actress, reality television star, television producer, and LGBT advocate.
Cox is also known for appearing as a contestant on the first season of VH1's I Want to Work for Diddy, and for producing and co-hosting the VH1 makeover television series TRANSform Me. In April 2014, Cox was honored by GLAAD with its Stephen F. Kolzak Award for her work as an advocate for the transgender community.