Risk factors-venous thromboembolism

• Virchow’s triad for thrombogenesis.

• Malignancy (12% of “idiopathic” DVT/PE; Circ 2013;128:2614)

  • Venous Thromboembolism and Cancer

• History of thrombosis

  • (greater risk of recurrent VTE than genetic thrombophilia)

• Obesity, smoking, acute infection, postpartum

  • (JAMA 1997;277:642; Circ 2012;125:2092)

Criteria

• Hestia Criteria for Outpatient Pulmonary Embolism Treatment
• Pulmonary Embolism Severity Index PESI