Risk factors - Stroke
Hypertension •Hyperlipidaemia •Smoking •Prior history of TIA especially if recent and recurrent •Atrial fibrillation •Diabetes •Congestive heart failure •Alcohol excess •Obesity •Physical inactivity •Poor socioeconomic status
A stroke arises from the ________ blood circulation. Unless….
Arterial
Congenital defect - Patent foramen ovale, ASD, VSD