What distinguishes a heart attack from heart failure.
A
A heart attack results from poor blood flow, while heart failure involves a total interruption of blood flow.B
Both heart attack and heart failure result in heart tissue death, but more tissue dies as a result of heart failure.C
Heart tissue dies during a heart attack, while heart failure results in systemic oxygen deficiency.D
Heart failure results in body tissues receiving such a high level of oxygen that it is toxic.