“…[4] Traumatic and iatrogenic causes apart, it has been reported in the setting of coagulopathies, [1] arteriovenous malformations [AVM's], [3,4] anticoagulant therapy, [3,4] and following prolonged Valsalva maneuvers. [3] Pregnancy has been described as a risk factor [3,5] for idiopathic SEH as raised intra-abdominal pressure forces venous return from the pelvis and abdomen through the valveless vertebral venous plexus. Rupture of these thin-walled veins has been cited as the reason for the hemorrhage.…”