Support and resources For patients and families For patients and families Informational Leaflets The following leaflets are provided for patients and their families to assist in understanding their condition and scientific terminology. What is thrombosis? This leaflet contains background information for patients and their families about deep vein thrombosis (DVT) and pulmonary embolism (PE) including their cause, risk factors, symptoms, and preventative measures. What is atrial fibrillation? This leaflet contains background information for patients and their families about atrial fibrillation and stroke including causes, risk factors, symptoms, and preventative measures. Work and thrombosis This leaflet contains background information for patients and their families about how long work hours or extended periods of immobility can increase your risk of thrombosis. What is a clinical trial? This leaflet contains information about clinical trials - what they are, why they exist, how they are run, the different phases, and how an individual can find and join one.