Detailed text transcripts for TV channel - CNN - 20101214:06:05:00
The aorta. and then blood sort of starts seeping into the wall of the aorta. >> why does it tear? >> it's unclear for sure. there are a couple of main risk factors. one is hypertension, high blood pressure. and that high blood pressure over time can sort of erode the inner layer of the aorta. sometimes people may have a genetic predisposition because the tissue is not as strong as well in that area but usually that hypertension is sort of the main cull plit. >> is it something that can be caught with an ultrasound or something like that? >> it's a great question. typically if someone has a tru...