Kubantu abadala abahlinzwa ukushintshwa kwamalunga omhlane noma edolweni, ukuvimbela imicimbi ye-venous thromboembolism (VTE). Isetshenziselwa ukwelapha i-deep vein thrombosis (DVT) kanye ne-pulmonary embolism (PE) kubantu abadala; ngemuva kokwelashwa kokuqala, isetshenziselwa ukuvimbela ukuphindeka kwe-DVT kanye ne-PE kubantu abadala. Kubantu abadala abane-non-valvular atrial fibrillation enezici ezilodwa noma ngaphezulu zobungozi (njengokuhluleka kwenhliziyo okubangela ukuqoqeka kwamanzi emzimbeni, umfutho wegazi ophakeme, ubudala obungaphezu kuka-75 iminyaka, isifo sikashukela, umlando wokushaywa unhlanga noma ukuhlaselwa okwesikhashana okubangela ukukhubazeka), ukunciphisa ubungozi bokushaywa unhlanga kanye ne-systemic embolism.