Nah, my grandpa and mom both suffered from heart failure and lived to tell the tale. My grandpa went on to live another 7 years after his heart failure to the a

Nah, my grandpa and mom both suffered from heart failure and lived to tell the tale. My grandpa went on to live another 7 years after his heart failure to the age of 79. (Which I find fairly remarkable honestly.) Meanwhile my mom is still kickin. My understanding is a heart attack refers specifically to a blockage in the heart, some combination of narrowing arteries, a blood clot, etc. Heart failure just refers to an inefficiency of the heart to pump blood. It's caused more by things like arrhythmias, issues w/ blood pressure, etc. It seemed to me that the heart attack was the more serious of the two, as I believe it's more closely linked to tissue death. As I understood it: the heart attack weakened my grandfather's heart and left him more vulnerable to heart failure.