Venous stasis – the normally central stream of platelets within laminar flow become more peripheral, near endothelium: bed rest immobilised limb cast post-operative paralysis congestive cardiac failure (CCF) pelvic obstruction Intimal damage: trauma to vein wall – intravenous cannula varicose veins inflammation around veins (especially pelvic) Hypercoagulability trauma – increased stickiness of platelets surgery childbirth … Continue reading Causes of Venous Thrombosis – Virchow’s Triad