【正文】
3rd Clinical presentation ?factors contributing to symptoms – vessel walls, flow and pressures Clinical presentation ?factors contributing to symptoms – vessel walls, flow and pressures – enlargement and encroachment Clinical presentation ?factors contributing to symptoms – vessel walls, flow and pressures – enlargement and encroachment – dural sinuses Clinical presentation ?factors contributing to symptoms – vessel walls, flow and pressures – enlargement and encroachment – dural sinuses – ischaemia Clinical presentation ?factors contributing to symptoms – vessel walls, flow and pressures – enlargement and encroachment – dural sinuses – ischaemia – cardiac output Clinical presentation D e f ic it s10%He ad ac h e s10%S e iz u r e s30%He m or r h age50%Hemorrhage ?AVM – rupture not a function of size ?Aneurysm – rupture related to aneurysm size Hemorrhage ?AVM – rupture not a function of size – no marked increase with exercise, pregnancy, trauma ?Aneurysm – rupture related to aneurysm size – increase with trauma exercise, end pregnancy Hemorrhage ?AVM – rupture not a function of size – no marked increase with exercise, pregnancy, trauma – arteriovenous, therefore less severe ?Aneurysm – rupture related to aneurysm size – increase with trauma exercise, end pregnancy – arterial, therefore more severe Hemorrhage ?AVM – rupture not a function of size – no marked increase with exercise