When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream, you would follow the steps below one by one. Oxygen-poor blood (shown in blue) flows from the ...

Among those he chose were Ramanathan and Jia ... There, physicians confirmed through standard treatment that the map Ramanathan and Jia created was correct. Accurate heart mapping is important in ...

Day and night, the muscles of your heart contract and relax to pump blood throughout your body. In the Step Thru below, see the complicated path the blood takes as it moves in and out of the heart.