【单选题】Blockage of blood flow in the proximal part of the anterior interventricular artery could deprive a large area of heart tissue of blood supply, unless a substantial retrograde flow into this artery de...
【简答题】In STEMI,blood flow to the heart is stopped because of a blockage in a coronary arter- y. Unlike other kinds of heart attacks, STEMIs show up very clearly on an electrocardiogram, or ECG(心电图). Doctors...