Atherosclerosis is the build up of fatty substances on the inner blood vessel lining. This later causes the blood vessel to become clogged up and the fat can detach and block smaller vessels.
Problem:
Smaller blood vessel, especially the coronary arteries, when blocked have large consequences on the BP and transport of oxygen to tissues. A possible solution could be to put a nano-tracer, that circulates the blood vessels and maps out the diameter of the vessels. Any abnormal diameters or changes in it, will be detected and lead to a better diagnosis of heart attack.
The related problem is to develop a nano-tracer, that will do such a thing!
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