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Michael J. Collins, M.D.
>> larry: you mentioned, doctor, that you were thankful it was not an aneurysm. what is an aneurysm and if he had had an aneurysm would it have killed him? >> well, an aneurysm is a weak -- a weakening of the blood vessel and the blood vessel balloons out. and as it enlarges the wall becomes weaker. and at some point the aneurysm can rapture. if you're lucky the bleeding stops, and -- but the problem is that there's a very high risk of rebleeding. and for that first -- each day the risk continues. so it's very important, if we find an aneurysm, that we treat it right away. we either clip the a...
Have killed him? >> well, an aneurysm is a weak -- a weakening of the blood vessel and the blood vessel balloons out. and as it enlarges the wall becomes weaker. and at some point the aneurysm can rapture. if you're lucky the bleeding stops, and -- but the problem is that there's a very high risk of rebleeding. and for that first -- each day the risk continues. so it's very important, if we find an aneurysm, that we treat it right away. we either clip the aneurysm or coil it. so the fact that he didn't have an aneurysm means that the risk of rebleeding was smaller, but as i mentioned earlier t...